Perhaps you should try some spelling variations:
yang giant » yang guang
yang liang » wang liang, yan liang, yang yang
zhang ming » zhang xin
hong sheng » dong sheng, hong cheng, fang sheng
ming hong » min hong, ming hung, ming kong
how ceos » how cios, how close, do ceos
how ceo » how co, how cios, how cern

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 ((yang giant) OR (yang liang)) ((how ceo) OR (how ceos)) zhang ming hong sheng ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang giant) or (yang liang)) ((how ceo) OR (how ceos)) zhang ming hong sheng ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yang giant) or (yang liang)) ((how ceo) OR (how ceos)) zhang ming hong sheng ;*.