Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh
hien hanh » dieu hanh
dang cong » dung cong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu tinh) or (hien hanh)) - ((hanh trinh) or (hanh chinh)) cua dang cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (hien hanh)) - ((hanh trinh) OR (hanh chinh)) cua dang cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (hien hanh)) - ((hanh trinh) or (hanh chinh)) cua dang cong tan toan ban*.