Perhaps you should try some spelling variations:
arash » crash, brash, trash
slash » flash, clash, slas
sath » sathe, saith, path
sathi » sathei, saithi, pathi, sethi, fathi, kathi
swat » sweat, swan, sat
-plate* » -plates*, -place*

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((arash OR slash) OR ((sath OR sathi) OR swat))-plate*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((arash or slash) or ((sath OR sathi) or swat))-plate*".