Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
cua truong » cua trung, xuan truong, cac truong
van manh » van minh, van anh, van thanh
van hanh » van thanh, ban hanh, van anh
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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 tinh - ((van manh) or (van hanh)) cua truong cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((van manh) OR (van hanh)) cua truong cong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((van manh) or (van hanh)) cua truong cong tan phan tu*.