Perhaps you should try some spelling variations:
gang thang » gung thang, nang trang, tang tang
tuan china » wuhan china, can china, taiwan china
han china » hang china, than china, can china
chen wang » chen yang, chen rong, chen ping
yang wang » yang yang, yan wang, yang guang
wen wang » wei wang, weng fang, men want
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: gang thang ((han china) OR (tuan china)) ((wen wang) OR (chen wang)) yang wang hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "gang thang ((han china) or (tuan china)) ((wen wang) OR (chen wang)) yang wang hui ;~".
• Adding a wildcard symbol may retrieve word variants: gang thang ((han china) or (tuan china)) ((wen wang) OR (chen wang)) yang wang hui ;*.