Perhaps you should try some spelling variations:
wang liang » wang yang
yang yang » wang yang, wang yan
han china » hang china, than china, can china
huei ying » hui ying, hoi ying
tuan vu » thanh vu, tuan hua
long du » long d, long do, long run
ying a » buying a, laying a, ying hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (wang liang)) ((((tuan vu) or (han china))) or (wang hua)) huei ying a long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (wang liang)) ((((tuan vu) OR (han china))) OR (wang hua)) huei ying a long du ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (wang liang)) ((((tuan vu) or (han china))) or (wang hua)) huei ying a long du ;*.