Perhaps you should try some spelling variations:
slash » flash, clash, slas
spat » spot, spam, spa
spater » spoter, spamer, spaer
span » spin
spamer » spammer, stamer, spammers
-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 ((spat OR span) OR (spater OR spamer)))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(slash or ((spat OR span) or (spater or spamer)))-plate".
• Adding a wildcard symbol may retrieve word variants: (slash or ((spat OR span) or (spater or spamer)))-plate*.