i think the minimum is 3 characters, just make a feature request and i have a look at it

There is a problem with that. I have tried to change the ft_min_length in the mysql configuration file. After changing that, though I was expecting to, couldnt search for 3 lettered words. (default is 4) After a while (2 days ?), I couldnot upload a file because there was some problem with ac_searchable_objects, I had to repair it. After running myisamchk --safe-repair, the system was up again. I uploaded another file and the table was corrupt again and I cannot fix it because it is asking for some MYD file which is now not present. We have been using activecollab with 15+ people and 3 companies and I do not know what I will do. Still searching.

The failure might not be related to this stuff, but please do backup after you change the ft_min_lenght, which didnt work for me. By the way, it would be great if any of you guys have any idea about fixing my problem.