Perhaps you should try some spelling variations:
slash » flash, slas
clash » flash, crash
sath » sathe, saith, path
sathi » sathei, saithi, pathi, sethi, fathi, kathi
sweat » sweet, swept
spaten » spater, spateren
-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 (clash OR class)) OR (((sath OR sathi) OR (sweat OR sheet)) OR spaten))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((slash or (clash or class)) or (((sath OR sathi) or (sweat or sheet)) or spaten))-plate".
• Adding a wildcard symbol may retrieve word variants: ((slash or (clash or class)) or (((sath OR sathi) or (sweat or sheet)) or spaten))-plate*.