it goes back to what you said you want to do...I might be misunderstanding.
I thought you said you said both find anything and find anything except...
will something like this work for you?
SELECT *
FROM YOURTABLE
WHERE YOURCOLUMN LIKE '%coop_ration%'
AND NOT LIKE '%cooperation%'
SELECT *
FROM YOURTABLE
WHERE YOURCOLUMN LIKE '%coop%ration%' --allows multipe letters between
Lowell