Perhaps you should try some spelling variations:
land planning » based planning, road planning, dam planning
planning land » panning land, planning law, planning laws
tin hong » tan hong, kia hong, thi hong
land di » land die, land d, land der
di chen » yi chen, li chen, jui chen
chen yu » chen y, chen yulu, cheng lu
kong » long, pong, ong

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

• Performing a fuzzy search may retrieve terms with similar spellings: land planning land di chen yu ((hong kong) or (tin hong)) su ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: land planning land di chen yu ((hong kong) OR (tin hong)) su ;*.