Perhaps you should try some spelling variations:
yidan wang » yiqian wang, yan wang, yuan wang
qian wang » yiqian wang, qian rong, qian yan
eng chang » ying chang, eng hong
chang min » zhang ming, chang mae, chan ming
min zhang » bin zhang, limin zhang, li zhang
zhang zhi » zhong zhi, wang zhi, zhang wei
chan eng » chan fong, chan kang, chan ming

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yidan wang) or (qian wang)) chan eng chang min zhang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yidan wang) OR (qian wang)) chan eng chang min zhang zhi ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yidan wang) or (qian wang)) chan eng chang min zhang zhi ;*.