Perhaps you should try some spelling variations:
"single domains" » "single domain", "finite domains", "single chains"
"synfire chain" » "synfire chains", "entire chain", "synfue chains"
"singie chain" » "single chain", "single chains", "side 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 domains")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"synfire chain\") OR (\"singie chain\"))) or (\"single domains\"))".
• Removing quotes may allow a broader search: (((( synfire chain ) OR ( singie chain ))) or ( single domains )).
• Adding a wildcard symbol may retrieve word variants: (((("synfire chain") OR ("singie chain"))) or ("single domains"))*.