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