Perhaps you should try some spelling variations:
slas » slabs, sas, suas
seas » sets, sea, ses
sheath » heath
swat » swan, seat, stat
sweat » sweet, swept
sat » salt, satz
spath » spat, xpath, spate
-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: ((slas OR seas) OR ((sheath OR ((swat OR sweat) OR sat)) OR spath))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((slas or seas) or ((sheath or ((swat OR sweat) or sat)) or spath))-plate".
• Adding a wildcard symbol may retrieve word variants: ((slas or seas) or ((sheath or ((swat OR sweat) or sat)) or spath))-plate*.