Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
cua phuong » cuu phuong, cuc phuong, luan phuong
theo chieu » ho chieu, theo chu, thi chieu
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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 tieu)) bang - ((hanh tang) or (hanh mang)) cua phuong cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) bang - ((hanh tang) OR (hanh mang)) cua phuong cong tac than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) bang - ((hanh tang) or (hanh mang)) cua phuong cong tac than cap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) bang - ((hanh tang) or (hanh mang)) cua phuong cong tac than cap*.