Perhaps you should try some spelling variations:
choon zhang » choon hann
wang lihong » wang liang, wang shiyong
yang choon » liang choon, yong khoon, yang chaowen
zhang ming » zhang xin
wang yang » wang liang, wang yanling
ming hong » min hong, ming hung, ming kong
hong g » hong ng, hong w, hong 7

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang lihong) or (wang yan)) wang yang choon zhang ming hong g ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang lihong) OR (wang yan)) wang yang choon zhang ming hong g ;.
• Adding a wildcard symbol may retrieve word variants: ((wang lihong) or (wang yan)) wang yang choon zhang ming hong g ;*.