Perhaps you should try some spelling variations:
swash » slash, smash, awash
slas » slabs, sas, suas
seas » sets, sea, ses
swath » swat
spath » spat, xpath, spate
spam » span
-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 (slas OR seas)) OR (swath OR (spath OR spam)))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((swash or (slas OR seas)) or (swath or (spath or spam)))-plate".
• Adding a wildcard symbol may retrieve word variants: ((swash or (slas OR seas)) or (swath or (spath or spam)))-plate*.