Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
cua nhung » va nhung
ho chieu » hoc thieu, mot chieu, thi chieu
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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 (ho chieu))) or (doi chieu)) sach - thanh tung cua nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo chieu) OR (ho chieu))) OR (doi chieu)) sach - thanh tung cua nhung cong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((theo chieu) OR (ho chieu))) or (doi chieu)) sach - thanh tung cua nhung cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ((((theo chieu) OR (ho chieu))) or (doi chieu)) sach - thanh tung cua nhung cong tan toan cao*.