Easiest way, if you can find any of your posts or someone else, on a computer, not sure about from a phone:
If you click on the poster's name in the box on the left of your post, a drop down box appears with several selections, including one to FIND ALL POSTS.
One of the choices will send you to the person's profile, where you can drill down to multiple options. In the STATISTICS box, you can find options to FIND ALL POST or to FIND ALL THREADS started by John Smith.
2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover, Tekonsha P3 Brake Controller.