Perhaps you should try some spelling variations:
yang xiang » yang liang, wang liang, yang yang
wang yang » wang yan, wang liang, wang yanling
minh long » minh cong, vinh long
yang xin » yang jin, yang lin, zhang xin
yun song » hyun song, yun young, jin song
long shu » cong shu, tong shui, long du
yang xi » yang di, yang yi, yang jui
li song » li cong, li rong, kim song

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((((yang xin) OR (yang xiang))) OR (yang xi)) ((li song) OR (yun song)) minh long shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((((yang xin) or (yang xiang))) or (yang xi)) ((li song) or (yun song)) minh long shu ;*.