Perhaps you should try some spelling variations:
awash » wash, akash, arash
swath » swat, spath
spate » spaten, space, spite
spater » spatenr, spacer, spiter
xpath » path
-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: (awash OR ((swath OR (spate OR spater)) OR xpath))-plate*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(awash or ((swath or (spate OR spater)) or xpath))-plate*".