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