Perhaps you should try some spelling variations:
korean chinese » modern chinese, korean china, korean cinema
chinese japan » chinese japanese, china japan, china's japan
china korean » china korea, china loren, china foreign
sin cain » tin can
tong hui » wang hui
wang wei » zhang wei, wang zhi
sin fin » sine fine, pin fins, skin fig

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

• Performing a fuzzy search may retrieve terms with similar spellings: long ((sin cain) OR (sin fin)) china korean chinese japan ((tong hui) or (wang wei)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long ((sin cain) OR (sin fin)) china korean chinese japan ((tong hui) OR (wang wei)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long ((sin cain) OR (sin fin)) china korean chinese japan ((tong hui) or (wang wei)) ;*".