Perhaps you should try some spelling variations:
slash » flash, clash, slas
sheath » heath
swat » sweat, swan, seat
sat » salt, satz
spat » span, spam, spa
-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: (slash OR ((sheath OR (swat OR sat)) OR (spat OR spot)))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(slash or ((sheath or (swat or sat)) or (spat OR spot)))-plate".
• Adding a wildcard symbol may retrieve word variants: (slash or ((sheath or (swat or sat)) or (spat OR spot)))-plate*.