Perhaps you should try some spelling variations:
wang xiaobing » wang xiaoping, wang xiaodong, wang xiaolin
wang daoping » wang xiaoping, wang danning, wang yanling
hua gain » heat gain, run gain, via gain
hong hai » shang hai, zhong tai, dang hai
yang li » yang lin, yang di, yang xi
li hong » le hong, li cong, li rong

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 daoping) OR (wang xiaobing)) tan ((hua gain) OR (hua ban)) yang li hong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang daoping) OR (wang xiaobing)) tan ((hua gain) or (hua ban)) yang li hong hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang daoping) OR (wang xiaobing)) tan ((hua gain) or (hua ban)) yang li hong hai ;*.