Perhaps you should try some spelling variations:
yanjiao china » nanjing china
china kang » china wang, china yang, china chang
kang young » wang hyoung
young yang » kyoung yang, young young, yang yang
hong jong » hong kong
yang july » yang judy, yang jun
yang jui » yang judy, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((dong or long) sin) or (hong jong)) yanjiao china kang young yang ((yang july) OR (yang jui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((dong OR long) sin) OR (hong jong)) yanjiao china kang young yang ((yang july) OR (yang jui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((dong or long) sin) or (hong jong)) yanjiao china kang young yang ((yang july) OR (yang jui)) ;*".