Perhaps you should try some spelling variations:
swash » slash, swath, smash
awash » wash, akash, arash
swanh » swan, swath, swans
swat » sweat, swan, sat
spanh » span, spath, spann
spans » span
spat » span, spot, spam
-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 awash) OR ((swanh OR swat) OR ((spanh OR spans) OR spat)))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((swash or awash) or ((swanh or swat) or ((spanh OR spans) or spat)))-plate".
• Adding a wildcard symbol may retrieve word variants: ((swash or awash) or ((swanh or swat) or ((spanh OR spans) or spat)))-plate*.