Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
yuan wang » yuan kang, yuan chang, qian wang
yan liang » yang liang, wang liang, you liang
han china » hang china, than china, can china
yan wang » yang yang, qian wang, yan zhang
yang ji » yang jui, yang jie, yang jin
won yue » wong yue, woon yuen, wang yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan wang) or (((yan wang) OR (yan liang)))) ((han china) or (tuan china)) reza yang ji won yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (((yan wang) OR (yan liang)))) ((han china) OR (tuan china)) reza yang ji won yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (((yan wang) OR (yan liang)))) ((han china) or (tuan china)) reza yang ji won yue ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (((yan wang) OR (yan liang)))) ((han china) or (tuan china)) reza yang ji won yue ;*.