Perhaps you should try some spelling variations:
swash » slash, awash
smash » slash
swath » swat
spath » spat, xpath
spate » spater, spaten, space
spam » span
-plate" » -place"
plates" » places"

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 (swath OR ((spath OR spate) OR spam)))(-plate" or -plates").
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((swash or smash) or (swath or ((spath OR spate) or spam)))(-plate\" or -plates\")".
• Removing quotes may allow a broader search: ((swash or smash) or (swath or ((spath OR spate) or spam)))(-plate or -plates ).
• Adding a wildcard symbol may retrieve word variants: "((swash or smash) or (swath or ((spath OR spate) or spam)))(-plate" or -plates")*.