Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
huang weng » huang cheng, huang jing, huang ting
huang yang » huang ying, huang chang, wang yang
china rene » china ren, china rate, china real
quang hong » quang cuong, wang hong, zhang hong
rene wang » wen wang
yang hong » wang hong, yang hongli, zhang hong

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 weng) OR (huang yang)) wuhan china rene wang ((yang hong) OR (quang hong)) yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((huang weng) or (huang yang)) wuhan china rene wang ((yang hong) OR (quang hong)) yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((huang weng) or (huang yang)) wuhan china rene wang ((yang hong) OR (quang hong)) yu ;*.