Perhaps you should try some spelling variations:
liang yang » liang ying, yang yang, huang yang
wang yang » wang yan, wang liang, wang yanling
sang minh » kang minah, anh minh, song min
minh gong » minh cong, min hong, ming kong
gong hui » tong hui, tong shui, wang 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((liang yang) OR (wang yang)) xi li sang minh gong hui ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yang) or (wang yang)) xi li sang minh gong hui ;*.