Perhaps you should try some spelling variations:
chen zhang » cheng zhang, zhen zhang, chen zheng
yimin dang » limin wang
qian wang » yiqian wang, qian rong, qian yan
yan wang » yuan wang, yang yang, yan liang
hua chen » jui chen, yu chen, a chen
min dang » mein dank, bin dann, ein dank
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan wang) or (qian wang)) hua chen zhang ((min dang) OR (yimin dang)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan wang) OR (qian wang)) hua chen zhang ((min dang) OR (yimin dang)) hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan wang) or (qian wang)) hua chen zhang ((min dang) OR (yimin dang)) hai ;*".