Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, hong hai
wing yan » wing ian, wing tan, wang yang
sub yuan » xu yuan
wang tan » wang ban, wang dan, wang tao
chang ha » chang mae
gong min » jong min, song min, gong meng
can sub » can spur

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing yan) or (wang yan)) can sub yuan wang tan ((((shang hai) OR (chang ha))) or (gong min)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing yan) OR (wang yan)) can sub yuan wang tan ((((shang hai) OR (chang ha))) OR (gong min)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing yan) or (wang yan)) can sub yuan wang tan ((((shang hai) OR (chang ha))) or (gong min)) ;*".