Perhaps you should try some spelling variations:
"synfire chain" » "synfire chains", "entire chain", "singie chain"
"single chains" » "single chain", "single domains", "single charge"
"single chip" » "single 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 ("side chain"))) OR ((((("single chains") OR ("single chip"))) OR ("single channel")))).
• Removing quotes may allow a broader search: (((( synfire chain ) or ( side chain ))) or ((((( single chains ) or ( single chip ))) or ( single channel )))).
• Adding a wildcard symbol may retrieve word variants: (((("synfire chain") or ("side chain"))) or ((((("single chains") or ("single chip"))) or ("single channel"))))*.