Perhaps you should try some spelling variations:
cain china » can china, china china, spain china
gain john » grin john, gutin john, swain john
sin cain » sin fin, tin can
china en » china eu, china e, hina en
yin john » grin john, linn john, ryan john
song jin » song min, song shin, song bing
dong » doing, long, done

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong sin cain china en ((yin john) OR (gain john)) ((song jin) or (shang jin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong sin cain china en ((yin john) OR (gain john)) ((song jin) OR (shang jin)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong sin cain china en ((yin john) OR (gain john)) ((song jin) or (shang jin)) ;".
• Adding a wildcard symbol may retrieve word variants: dong sin cain china en ((yin john) OR (gain john)) ((song jin) or (shang jin)) ;*.