Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang
sher zhang » zhen zhang, shen chang
zhang minh » zhang ming, zhang xin, chang min
qian wang » qian rong, qian yan, yan wang
minh hong » minh cong, min hong, linh hoang
hong than » hong tan, long thanh, hong hai
yan sher » khan sher, can she, han shen

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 wang) OR (yiqian wang)) yan sher zhang minh hong than ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((qian wang) OR (yiqian wang)) yan sher zhang minh hong than ;".
• Adding a wildcard symbol may retrieve word variants: wang ((qian wang) OR (yiqian wang)) yan sher zhang minh hong than ;*.