Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
china gene » china gender, china agenda
wang wing » wang jing, wang ning, wang liang
wing tuan » wing tan, dinh tuan, wing ian
jeong ghi » hong ghi, jeong mi
sang min » sang minh, song min, chang min
tang min » chang min, sang minh, yang mind

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wing tuan china gene ((sang min) OR (tang min)) jeong ghi ;~".
• Adding a wildcard symbol may retrieve word variants: wang wing tuan china gene ((sang min) OR (tang min)) jeong ghi ;*.