Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wang handling » wang yanling, cargo handling, waste handling
zhang wei » zhen wei
phan thi » pham thi, nhan thi, tran thi
thi wong » thi hong, thi mong, t.j wong
wong yue » wang yue, hong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiaoping) or (wang handling)) zhang wei irene phan thi wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiaoping) OR (wang handling)) zhang wei irene phan thi wong yue ;.
• Adding a wildcard symbol may retrieve word variants: ((wang xiaoping) or (wang handling)) zhang wei irene phan thi wong yue ;*.