Perhaps you should try some spelling variations:
slas » slabs, seas, sas
smash » slash
swat » swan, sat, seat
sweat » sweet, swept
spate » spater, spaten, space
spam » span
-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: ((slas OR smash) OR ((swat OR sweat) OR (spate OR spam)))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((slas or smash) or ((swat OR sweat) or (spate or spam)))-plate".
• Adding a wildcard symbol may retrieve word variants: ((slas or smash) or ((swat OR sweat) or (spate or spam)))-plate*.