Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
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 xanh - hanh dung cua nhung ((((cong tan) OR (cong thanh))) or (huong dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh dung cua nhung ((((cong tan) OR (cong thanh))) OR (huong dan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh dung cua nhung ((((cong tan) OR (cong thanh))) or (huong dan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh dung cua nhung ((((cong tan) OR (cong thanh))) or (huong dan)) toan tap*.