Perhaps you should try some spelling variations:
synfire chain » synfire chains, entire chain, synfue chains
single chains » single chain, single channel, single domains
singie chain » single chain, single chip, ising chain
side chain » side channel

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: (((( synfire chain ) OR ( ((singie chain) OR (side chain)) ))) OR ( single chains )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( synfire chain ) or ( ((singie chain) OR (side chain)) ))) or ( single chains ))".
• Adding a wildcard symbol may retrieve word variants: (((( synfire chain ) or ( ((singie chain) OR (side chain)) ))) or ( single chains ))*.