Perhaps you should try some spelling variations:
planning land » panning land, planning law, planning laws
china dan » china den, china data, china des
jie hoang » jie song, jie zhang, xie hong
hoang tan » hong tan, huang tao, liang tan
dan yang » daun yang, tan yang, wang yang
yang jie » yang jin, yang di, yang jui

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) or (planning case)) china dan yang jie hoang tan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: land ((planning land) OR (planning case)) china dan yang jie hoang tan ;*.