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", "side chain", "ising chain"
"single chip" » "single chain"

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