Perhaps you should try some spelling variations:
banking case » banking crises, banking a
planning can » planning chain, planning case, planning land
china yang » china ying, china wang, china chang
yang wang » yang yang, yan wang, yang guang
yan long » yan cong, van long, plan long
pain » spain, main, gain

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((banking case) or (planning can)) china yang wang ((yan long) OR (pain long)) grain ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((banking case) OR (planning can)) china yang wang ((yan long) OR (pain long)) grain ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((banking case) or (planning can)) china yang wang ((yan long) OR (pain long)) grain ;*".