Perhaps you should try some spelling variations:
planning laws » planning law, planning a
banking can » banking case, banking bank, banking chad
china yang » china ying, china wang, china chang
long thanh » luong thanh, long han, long trinh
yang wang » yang yang, yan wang, yang guang
long hall » long haul, long call, long tail
wang qin » wang lin, wang qiao, wang jing

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 laws)) china yang wang qin ((long thanh) OR (long hall)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((banking can) or (planning laws)) china yang wang qin ((long thanh) or (long hall)) ;*.