Perhaps you should try some spelling variations:
swash » smash, awash
slash » flash, clash, slabsh, seash, sash
slas » slabs, seas, sas
swath » swat, spath
sweat » sweet, swept
span » spin
-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: ((swash OR (slash OR slas)) OR (swath OR (sweat OR span)))-plate*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((swash or (slash OR slas)) or (swath or (sweat or span)))-plate*".