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

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