Perhaps you should try some spelling variations:
planning chain » planning china, planning can, planning gain
land planning » based planning, road planning, dam planning
chain change » can change, than change, champion change
tung xuan » truong xuan
shang hai » shang kai, dang hai, chang ha
using ti » using tik, using tri, using ai

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: land planning chain change models using ti ((tung xuan) OR (shang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: land planning chain change models using ti ((tung xuan) or (shang hai)) ;*.