Perhaps you should try some spelling variations:
based planning » basin planning, based learning
planning gain » planning chain, planning against, planning guide
luong thanh » long thanh, truong thanh
gain china » spain china, can china, dan china
hong than » hong tan, long thanh, hong hai
china ip » china i, china ii, china im
ip using » up using, ahp using, top using

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 gain china ip using time ((luong thanh) OR (hong than)) ;~.
• Adding a wildcard symbol may retrieve word variants: based planning gain china ip using time ((luong thanh) or (hong than)) ;*.