Perhaps you should try some spelling variations:
synfire chain » synfire chains, entire chain, synfue chains
single chains » single chain, single domains, single charge
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.

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