Perhaps you should try some spelling variations:
"synfire chain" » "synfire chains", "entire chain", "synfue chains"
"single chains" » "single domains", "single chip", "single charge"
"singie chain" » "single chip", "ising chain", "using 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 chain"))) OR ((("single chains") OR ("single channel")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"synfire chain\") or (((\"singie chain\") OR (\"side chain\"))))) or (\"single chain\"))) or (((\"single chains\") or (\"single channel\"))))".
• Removing quotes may allow a broader search: (((((( synfire chain ) or ((( singie chain ) OR ( side chain ))))) or ( single chain ))) or ((( single chains ) or ( single channel )))).
• Adding a wildcard symbol may retrieve word variants: (((((("synfire chain") or ((("singie chain") OR ("side chain"))))) or ("single chain"))) or ((("single chains") or ("single channel"))))*.