Perhaps you should try some spelling variations:
based planning » basin planning, based learning
planning land » panning land, planning law, planning laws
land china » poland china, 2nd china, und china
china two » china's two, china top
sang min » sang minh, song min, tang min
gong min » jong min, song min, gong meng
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: based planning land china two ((sang min) OR (gong min)) hong tan ;~.
• Adding a wildcard symbol may retrieve word variants: based planning land china two ((sang min) or (gong min)) hong tan ;*.