Perhaps you should try some spelling variations:
swash » slash, swath, awash
smash » slash
clash » class, flash, crash
spate » spater, space, spite
spaten » spatern, spacen, spiten, spater, spateren
swain » spain, swan, stain
spans » span
swat » sweat, swan, sat
-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 smash) OR clash) OR (((spate OR spaten) OR (swain OR spans)) OR swat))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((swash or smash) or clash) or (((spate OR spaten) or (swain or spans)) or swat))-plate".
• Adding a wildcard symbol may retrieve word variants: (((swash or smash) or clash) or (((spate OR spaten) or (swain or spans)) or swat))-plate*.