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 trinh » long trip, long thanh
yang wang » yang yang, yan wang, yang guang
long tail » long haul
wang qin » wang lin, wang qiao, wang jing

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

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