Xenforo forum doesn't look good in search engine listing

My competitor has a phpBB forum, I can understand why they place above me in searches, they've been around longer than I have, but in search results their listings are so much more prominent than

Fuse and relay locations

XenForo forum installation, securing, and configuring

Virtual Key - A mini review

Windage Tray Torque spec

Xenforo forum doesn't look good in search engine listing

CB Radio on Rocker Switch

XenForo forum installation, securing, and configuring

2017 engine bay clean up good as new

XenForo forum installation, securing, and configuring

Crash damaged s60 won't start. SwedeSpeed - Volvo Performance Forum

If you were to start a community forum today, which PHP forum software would you choose and why? : r/PHP

Seized Engine Hyundai Forums

Forum Software: 15 Best Options for Building Online Communities