Perhaps you should try some spelling variations:
guang thang » gung thang, huang chang, xuan thang
tuan china » wuhan china, can china, taiwan china
wang liang » wang yang
han china » hang china, than china, can china
wen wang » wei wang, chen wang, weng fang
wang hui » wang hua, wang zhi, wang he
wang wei » zhang wei, wang zhi

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: guang thang ((han china) OR (tuan china)) wen wang liang ((wang hui) OR (wang wei)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "guang thang ((han china) or (tuan china)) wen wang liang ((wang hui) OR (wang wei)) ;~".
• Adding a wildcard symbol may retrieve word variants: guang thang ((han china) or (tuan china)) wen wang liang ((wang hui) OR (wang wei)) ;*.