Perhaps you should try some spelling variations:
planning can » planning chain, planning case, planning land
banking can » banking case, banking bank, banking chad
china zhang » china chang, cheng zhang, chin chang
china wang » china yang, china chang, china won
yang pain » yang fan, yang jin, hand pain
haul » hall, paul, hail

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 wang) OR (china zhang)) yang pain long haul ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((banking can) or (planning can)) ((china wang) OR (china zhang)) yang pain long haul ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((banking can) or (planning can)) ((china wang) OR (china zhang)) yang pain long haul ;*.