Perhaps you should try some spelling variations:
wang liang » wang yang
zhang minh » zhang ming, zhang xin, chang min
wang qian » wang qiao, wang qin, wang yidan
minh hong » minh cong, min hong, linh hoang
hong than » hong tan, long thanh, hong hai
yan sher » khan sher, can she
han shen » khan sher, can she, han en

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang qian) OR (wang liang)) wang ((yan sher) or (han shen)) zhang minh hong than ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang qian) OR (wang liang)) wang ((yan sher) OR (han shen)) zhang minh hong than ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang qian) OR (wang liang)) wang ((yan sher) or (han shen)) zhang minh hong than ;".
• Adding a wildcard symbol may retrieve word variants: ((wang qian) OR (wang liang)) wang ((yan sher) or (han shen)) zhang minh hong than ;*.