Well, you can change the mysql minimum search length to any value you wish if you have access to edit the mysql configuration (/etc/my.cnf) which you won't have on a standard virtual host. But this limit is outside of anything threads can manage.

I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
Do you need Forum Install or Upgrade Services?
Forums: A Gardeners Forum
UBB.threads: UBBWiki, UBB Styles, UBB.Sitemaps
Longtime Supporter & Resident Post-A-Holic
VNC Web Services: Code Modifications, Upgrades, Styling, Coding Services, Disaster Recovery, and more!