Help with fuzzy search (doesn't work if change order of certain 2 letters)

Hi,
need some help with fuzzy search. It's pretty simple - we use fuzzy search on varchar2 columns that contain first name and last_name. The problem is that i don't really understand why it can't find name in some cases.
Say i want to search for 'Taekpaul'. Then
where CONTAINS(first_name,'fuzzy(TAEKPAUL)',1) > 0 - works
where CONTAINS(first_name,'fuzzy(TAEKPALU)',1) > 0 - works (changed order of the 2 last letters)
where CONTAINS(first_name,'fuzzy(TEAKPAUL)',1) > 0 - doesn't work, finds 'Tejpaul' that is completely unrelated (changed 2nd, 3rd order)
How can i make it find 'Taekpaul' even if i search for TEAKPAUL? Is it related to index? Like Text index should be created with some different parameters?
Thanks!
Edited by: Maitreya2 on Mar 3, 2010 2:08 PM

Thanks, adding '!' worked :)
Do you know where i can read more about '!' and other special characters? I think i didn't see anything like that here: http://download.oracle.com/docs/cd/B14117_01/text.101/b10730/cqoper.htm#BABBJGFJ
I also started using JARO_WINKLER_SIMILARITY function that is actually better i think for what i do. But it's very buggy - sometimes Oracle crashes and kills connection when you try to use it.
Ahha, it's here: http://download.oracle.com/docs/cd/B19306_01/text.102/b14218/cqspcl.htm
So, ! is soundex. Whatever it means..
Edited by: Maitreya2 on Mar 5, 2010 12:14 PM

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