Perhaps you should try some spelling variations:
swash » slash, swath, awash
smash » slash
sweath » sheath, sweats, sneath, sweeth, swepth
sleath » sheath, sleeth, sneath
swat » sat, seat, stat
sweat » sweet, swept
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 (((sweath OR sleath) OR (sweath OR sleath)) OR ((swat OR sweat) OR swan)))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((swash or smash) or (((sweath OR sleath) or (sweath OR sleath)) or ((swat or sweat) or swan)))-plate".
• Adding a wildcard symbol may retrieve word variants: ((swash or smash) or (((sweath OR sleath) or (sweath OR sleath)) or ((swat or sweat) or swan)))-plate*.