Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
wang dinh » wang jing, wang ning, sang minh
dinh tan » dinh tuan, dinh tung, binh tran
tan yang » dan yang, tan ying, tan yong
ping hai » dang hai, hong hai, king has
tan hua » tuan hua, wang hua, tan chia
li ping » li ying, li bing, li ning

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dinh tan hua ((du yang) or (((tan yang) or (wang yang)))) li ping hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dinh tan hua ((du yang) OR (((tan yang) OR (wang yang)))) li ping hai ;*.