Perhaps you should try some spelling variations:
tuan china » wuhan china, taiwan china, yunnan china
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
wei yang » pei yang, wei wang, wei yang's
yang wei » wang wei, fang wei, zhang wei
wei long » i long, wei lun, de long
long du » long d, long do, long run

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)) ((tuan china) or (can china)) wei yang wei long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) ((tuan china) OR (can china)) wei yang wei long du ;.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang yang)) ((tuan china) or (can china)) wei yang wei long du ;*.