Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
lung tang » leung tang, gung thang, lung can
han china » hang china, than china, can china
wang jing » wang ning, wang liang, wang yong
wang yang » wang yan, wang liang, wang yanling
wang hui » wang hua, wang zhi, wang wei

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: lung tang ((han china) OR (tuan china)) chen ((wang jing) OR (wang yang)) wang hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lung tang ((han china) or (tuan china)) chen ((wang jing) OR (wang yang)) wang hui ;~".
• Adding a wildcard symbol may retrieve word variants: lung tang ((han china) or (tuan china)) chen ((wang jing) OR (wang yang)) wang hui ;*.