Perhaps you should try some spelling variations:
wei yang's » yiwei wang's
yang's jie » yang jie
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
tuan hua » tan hua, tuan vu, yuan hui
jie gong » jie song
gong hui » tong hui, tong shui, wang hui
yan hua » tan hua, ya hua, yan guan

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)) ((((yan hua) or (tuan hua))) or (wang hua)) wei yang's jie gong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) ((((yan hua) OR (tuan hua))) OR (wang hua)) wei yang's jie gong hui ;.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang yang)) ((((yan hua) or (tuan hua))) or (wang hua)) wei yang's jie gong hui ;*.