Perhaps you should try some spelling variations:
wing planning » kong planning, mining planning, housing planning
land planning » based planning, road planning, dam planning
china dan » china data, china des, china due
china den » chinas den, china des, china does
yang min » yang mind, yang jin, tang min
min hong » amin hong, tin hong, min hyoung
tan » than

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: ((wing planning) OR (land planning)) chain ((china dan) OR (china den)) yang min hong tan ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing planning) or (land planning)) chain ((china dan) OR (china den)) yang min hong tan ;~".
• Adding a wildcard symbol may retrieve word variants: ((wing planning) or (land planning)) chain ((china dan) OR (china den)) yang min hong tan ;*.