Perhaps you should try some spelling variations:
planning land » panning land, planning law, planning laws
china den » chinas den, china des, china does
lin hoang » linh hoang, tin hong, lin zong
hoang tan » hong tan, huang tao, liang tan
den yang » dan yang, den gang, chen yang
yang lin » yang jin, wang lin, yang li

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