Perhaps you should try some spelling variations:
liang ying » liang liying, huang ying, zhang ying
yang yang » wang yang, wang yan
sang minh » kang minah, anh minh, song min
minh tong » minh cong, dinh tung, min hong
tong shui » tong hui, cong shu, gong hui
li sang » le sang, li gang, li san
xi li » li li, xi ai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((liang ying) or (yang yang)) xi li sang minh tong shui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang ying) OR (yang yang)) xi li sang minh tong shui ;*.