Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
tac thong » tac thuong, tac trong, tac chong
tan nhanh » tai nhanh, tan nhan, tan thanh
nhanh bac » nhanh ha, nhanh va
cong tac » cong ty
cong tan » cong san, cong thanh, cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (mot chieu)) sach - thanh cong tac thong cong tan nhanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (mot chieu)) sach - thanh cong tac thong cong tan nhanh bac.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (mot chieu)) sach - thanh cong tac thong cong tan nhanh bac*.