Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, china zhang
wang liqin » wang limin, wang lianqin, wang liming
chen zheng » chen zhen, chen aizheng, chen zhe
ming hong » min hong, ming hung, ming kong
wang tan » wang yan, wang ban, wang tao
wang dan » wang yan, wang ban, wang yidan
hong hai » shang hai, zhong tai, dang hai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang liqin ((wang tan) OR (wang dan)) ((cheng zhang) OR (chen zheng)) ming hong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liqin ((wang tan) or (wang dan)) ((cheng zhang) OR (chen zheng)) ming hong hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang liqin ((wang tan) or (wang dan)) ((cheng zhang) OR (chen zheng)) ming hong hai ;*.