Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
wang liang » wang yang
zhang wong » zhang hong, zhang rong, zhang ming
yuan wang » yan wang, yuan kang, yuan chang
wong sau » wong sam, wong siu, wong shiu
li song » li rong, kim song, jie song
li cong » li rong, jiu cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang liang ((li song) or (li cong)) cheng zhang wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang liang ((li song) OR (li cong)) cheng zhang wong sau ;*.