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

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