Perhaps you should try some spelling variations:
wang liang » wang yang
linh hoang » anh hoang
liu gangs » liu yang
minh hong » minh cong, min hong, minh hoa
liu gang » liu yang, li gang, liu feng
yang li » yang lin, yang di, yang yi
yang xi » yang di, yang yi, yang jui

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 ((yang li) or (yang xi)) ((liu gang) or (liu gangs)) ((minh hong) OR (linh hoang)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((yang li) OR (yang xi)) ((liu gang) OR (liu gangs)) ((minh hong) OR (linh hoang)) shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((yang li) or (yang xi)) ((liu gang) or (liu gangs)) ((minh hong) OR (linh hoang)) shu ;".
• Adding a wildcard symbol may retrieve word variants: wang liang ((yang li) or (yang xi)) ((liu gang) or (liu gangs)) ((minh hong) OR (linh hoang)) shu ;*.