Perhaps you should try some spelling variations:
wang sing » wang jing, wang ning, wang liang
sing kong » king kong, hong kong
kong weak » long weak, kong sek
zhong siu » wong siu
weak sun » weak eu
kong siu » kong eiu, wong siu, dong sin
yan jiu » yang jie, yang jin, pang jiu
yan ji » ban ji, pan ji, san ji

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang sing kong weak sun ((yan ji) OR (yan jiu)) ((zhong siu) or (kong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang sing kong weak sun ((yan ji) OR (yan jiu)) ((zhong siu) OR (kong siu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang sing kong weak sun ((yan ji) OR (yan jiu)) ((zhong siu) or (kong siu)) ;".
• Adding a wildcard symbol may retrieve word variants: wang sing kong weak sun ((yan ji) OR (yan jiu)) ((zhong siu) or (kong siu)) ;*.