Perhaps you should try some spelling variations:
huang wang » huang weng, huang yang, huang chang
wang yang » wang yan, wang liang, wang yanling
john kong » john king, john song, john bonn
john wong » john song, john bonn
yang dr » yang di, yang d, yang du
dr l » dr h, dr e, dr a
bonn » bond, born

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

• If you are trying to use Boolean operators, they must be ALL CAPS: huang wang yang dr l longo ((((john kong) OR (john (bonn OR conn)))) OR (john wong)) star ;~.
• Adding a wildcard symbol may retrieve word variants: huang wang yang dr l longo ((((john kong) or (john (bonn or conn)))) or (john wong)) star ;*.