Perhaps you should try some spelling variations:
planning data » planning a
german gender » german lander, germany under, german border
yanling data » handling data, banking data, sampling data
gender yang » gender change, gender barung
yang mind » yang cindy, yang jin, sang minh
hong jong » hong kong
kong a » kong _, kong sar, kong yam
wang » wing, wan, lang

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 ((yanling data) OR (planning data)) german gender yang mind ((kong a) OR (hong jong)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yanling data) OR (planning data)) german gender yang mind ((kong a) or (hong jong)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yanling data) OR (planning data)) german gender yang mind ((kong a) or (hong jong)) ;*.