Perhaps you should try some spelling variations:
planning chain » planning china, planning can, planning gain
banking case » banking crises, banking a
china yang » china ying, china wang, china chang
long chain » long chemin, long grain, long han
yang wang » yang yang, yan wang, yang guang
wang pain » wang yan, hand pain, wang ban

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 case) OR (planning chain)) china yang wang pain long chain ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((banking case) or (planning chain)) china yang wang pain long chain ;*.