If you are talking about mySQL, then I think those are all in the "stop-word file".

Putting this in your configuration file and running "repair table" on the effected tables should do the job:
ft_stopword_file=''

The other issue is that you may need to lower the minimum indexed word length with this command:
ft_min_word_len=1

[deleted because I didn't read the whole answer right above :-/]

JAG

Could you tell where i can find the file configration, is it in control pannel?

The configuration is usually in the mySQL directory with the rest of the files.

But before you look for it, I recommend spending a couple hours with mySQL's online documentation. A couple hours' study will make it a lot easier to work with.

Could you tell where i can find the file configration, is it in control pannel?

It sounds like your hosted? If so, you have to get your hosting service to make the change.

>It sounds like your hosted? If so, you have to get your hosting >service to make the change.

>It sounds like your hosted? If so, you have to get your hosting service to make the change.

Thanks, i will ask my hosting service to do that.