when macth two words , dlp will catch incident

Hi Everyone ,

i created policy with keyword macth but there is something wrong about the policy .

i have four keyword exp.

hack

hacker

hackers

lamer

i want to catch incident when two word macth above the words.  for example when somebody used hack and hacker it's must be incident ..  

but in my policy when someone send a email contain a word like "hack" it's a incident. 

how can i configure like i want ?

Thanks you.