Perhaps you should try some spelling variations:
planning chain » planning china, planning can, planning gain
land planning » based planning, road planning, dam planning
china tan » china two, china taiwan
china top » china's top, china tips, china two
yang mind » yang cindy, yang jin, tang min
sang minh » kang minah, anh minh, song min

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 chain ((china tan) OR (china top)) ((yang mind) or (sang minh)) hong tan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: land planning chain ((china tan) OR (china top)) ((yang mind) OR (sang minh)) hong tan ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "land planning chain ((china tan) OR (china top)) ((yang mind) or (sang minh)) hong tan ;*".