Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
zhang minh » zhang ming, zhang xin, chang min
minh zhang » bin zhang, binh thang, anming zhang
qian wang » yiqian wang, qian rong, qian yan
hua china » eu china, a china, era china
zhang wei » zhen wei

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 (qian (yan OR yang))) hua china zhang minh zhang wei ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((qian wang) OR (qian (yan OR yang))) hua china zhang minh zhang wei ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((qian wang) or (qian (yan OR yang))) hua china zhang minh zhang wei ;".
• Adding a wildcard symbol may retrieve word variants: wang ((qian wang) or (qian (yan OR yang))) hua china zhang minh zhang wei ;*.