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