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

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 ("synfire chains"))) OR ("single chains")).
• Removing quotes may allow a broader search: (((( synfire chain ) or ( synfire chains ))) or ( single chains )).
• Adding a wildcard symbol may retrieve word variants: (((("synfire chain") or ("synfire chains"))) or ("single chains"))*.