Perhaps you should try some spelling variations:
planning can » planning chain, planning case, planning land
china's main » china's land
banking can » banking case, banking bank, banking chad
china main » china may
wang lin » wang li, wang qin, yang lin
lin hong » tin hong, lin zong, min hong
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 ((banking can) OR (planning can)) ((china main) OR (china's main)) wang lin hong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((banking can) or (planning can)) ((china main) OR (china's main)) wang lin hong hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((banking can) or (planning can)) ((china main) OR (china's main)) wang lin hong hai ;*.