Perhaps you should try some spelling variations:
slash » flash, clash, slabsh, seash, sash
slas » slabs, seas, sas
saith » smith, faith, saito
sweet » sheet
spate » spater, spite, spare
spaten » spatern, spiten, sparen, spater, spateren

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 slas) OR ((saith OR sweet) OR ((spate OR space) OR spaten)))-plates.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((slash or slas) or ((saith or sweet) or ((spate OR space) or spaten)))-plates".
• Adding a wildcard symbol may retrieve word variants: ((slash or slas) or ((saith or sweet) or ((spate OR space) or spaten)))-plates*.