Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
wang luhang » wang liang, wang lihong, wang yuhan
chau china » change china
wang chau » wang chi, wang chun
zhang min » zhang ming, zhang xin, chang min
kong yam » kong sar
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang luhang) or (wang yan)) wang chau china zhang min ((kong yam) or (hong w)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang luhang) OR (wang yan)) wang chau china zhang min ((kong yam) OR (hong w)) ;.
• Adding a wildcard symbol may retrieve word variants: ((wang luhang) or (wang yan)) wang chau china zhang min ((kong yam) or (hong w)) ;*.