Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
sang minh » kang minah, song min, song ming
wang hui » wang zhi, wang he
wang wei » zhang wei, wang zhi
yang yi » yang di, yang xi, yang jui
yi li » yi lai, yi lin, yin li

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 yi li ((sang minh) OR (anh minh)) ((((wang hui) or (wang wei))) or (wang hua)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang yi li ((sang minh) OR (anh minh)) ((((wang hui) OR (wang wei))) OR (wang hua)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang yi li ((sang minh) OR (anh minh)) ((((wang hui) or (wang wei))) or (wang hua)) ;*".