Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
china reza » china real, china ren
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
wang yue » wong yue, wang hua, wang yan
yang xi » yang di, yang yi, yang jui
xi wang » x wang, li wang, xi kang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (yang yang)) than china reza yang xi wang yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) than china reza yang xi wang yue ;.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang yang)) than china reza yang xi wang yue ;*.