Perhaps you should try some spelling variations:
planning can » planning chain, planning case, planning land
yanling can » banking can
china going » chia going, china ying, china jiing
china gain » china grain, china main, china plain
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 ((yanling can) OR (planning can)) ((china gain) OR (china going)) wang lin hong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yanling can) or (planning can)) ((china gain) OR (china going)) wang lin hong hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yanling can) or (planning can)) ((china gain) OR (china going)) wang lin hong hai ;*.