Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
cong thanh » dong thanh, cong trinh, truong thanh
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
theo yeu » theo tieu, thiet yeu, theo chu
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong ty
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: ((theo chieu) or (theo yeu)) xanh - hanh dung cua nhung ((cong tan) OR (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo yeu)) xanh - hanh dung cua nhung ((cong tan) OR (cong thanh)) toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo yeu)) xanh - hanh dung cua nhung ((cong tan) OR (cong thanh)) toan tap*".