Perhaps you should try some spelling variations:
lang planning » land planning, plans planning, range planning
planning data » planning a
german gender » german lander, germany under, german border
gender barung » gender befreiung
data german » dutch german
tin hong » kia hong, thi hong

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: lang planning data german gender barung ((tin hong) OR (tan hong)) hai ;~.
• Adding a wildcard symbol may retrieve word variants: lang planning data german gender barung ((tin hong) or (tan hong)) hai ;*.