Why I can't find my old posts now?

I found they are here:http://community.cadence.com/cadence_technology_forums/f/48/t/28140
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/28096
http://community.cadence.com/cadence_technology_forums/f/48/t/28212
http://community.cadence.com/cadence_technology_forums/f/48/t/28212
http://community.cadence.com/cadence_technology_forums/f/48/t/28213
http://community.cadence.com/cadence_technology_forums/f/48/t/29943
http://community.cadence.com/cadence_technology_forums/f/48/t/30060
http://community.cadence.com/cadence_technology_forums/f/48/t/30142
http://community.cadence.com/cadence_technology_forums/f/48/t/29943
http://community.cadence.com/cadence_technology_forums/f/48/t/29943
http://community.cadence.com/cadence_technology_forums/f/48/t/27910
http://community.cadence.com/cadence_technology_forums/f/48/t/27910
http://community.cadence.com/cadence_technology_forums/f/48/t/27910
http://community.cadence.com/cadence_technology_forums/f/48/t/27910
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/27978
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/27978
http://community.cadence.com/cadence_technology_forums/f/48/t/28050
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/28096
http://community.cadence.com/cadence_technology_forums/f/48/t/27958
http://community.cadence.com/cadence_technology_forums/f/48/t/28140
http://community.cadence.com/cadence_technology_forums/f/48/t/30060
http://community.cadence.com/cadence_technology_forums/f/48/t/30060
http://community.cadence.com/cadence_technology_forums/f/48/t/30060
http://community.cadence.com/cadence_technology_forums/f/48/t/30060
http://community.cadence.com/cadence_technology_forums/f/48/t/30060
http://community.cadence.com/cadence_technology_forums/f/48/t/30060
http://community.cadence.com/cadence_technology_forums/f/48/t/30060

So if I want to find my old posts. I can only find here. huh?

Why remove the link of old posts from the account home? Isn't it more natural to put them there?