Perhaps you should try some spelling variations:
swash » slash, swath, awash
smash » slash
sath » sathe, sathi, path
saith » smith, faith, saito
swan » san, 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 smash) OR ((sath OR saith) OR swan))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((swash or smash) or ((sath OR saith) or swan))-plate".
• Adding a wildcard symbol may retrieve word variants: ((swash or smash) or ((sath OR saith) or swan))-plate*.