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