Perhaps you should try some spelling variations:
planning can » planning chain, planning case, planning land
danning can » banking can, winning can, learning can
china due » china does, china des, china den
yang mind » yang cindy, sang minh, tang min
shang hai » shang kai, dang hai, chang ha
yang jin » yang jie, yang jun, ying jin

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 ((danning can) OR (planning can)) china due ((yang mind) OR (yang jin)) shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((danning can) OR (planning can)) china due ((yang mind) or (yang jin)) shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((danning can) OR (planning can)) china due ((yang mind) or (yang jin)) shang hai ;*.