Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
minh long » minh cong, vinh long
kim song » kim young, kim eung
jin song » jie song, john song, jin ying
long shu » cong shu, tong shui, long du
wan yan » wang yan, nan yan, wai yan
yang li » yang lin, yang di, yang xi

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: wan yan ((yang liang) OR (yang li)) ((kim song) OR (jin song)) minh long shu ;~.
• Adding a wildcard symbol may retrieve word variants: wan yan ((yang liang) or (yang li)) ((kim song) or (jin song)) minh long shu ;*.