Perhaps you should try some spelling variations:
slash » flash, clash, slabsh, seash, sash
slas » slabs, seas, sas
sath » sathe, saith, sathi
sweat » swept
sweet » sheet
spate » spater, spaten, space
-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: ((slash OR slas) OR ((sath OR (sweat OR sweet)) OR spate))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((slash or slas) or ((sath or (sweat OR sweet)) or spate))-plate".
• Adding a wildcard symbol may retrieve word variants: ((slash or slas) or ((sath or (sweat OR sweet)) or spate))-plate*.