Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
cua truong » cua trung, xuan truong, cac truong
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
cong san » cong tac
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - canh doanh cua truong ((huong dan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh doanh cua truong ((huong dan) OR (cong san)) toan tap*.