Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
doi chieu » doc hieu, doi chi, mot chieu
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
ho chieu » hoc thieu, mot chieu, thi chieu
tran xay » tra xay, tran day, trinh xay
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than tap » toan tap, han tap, phan 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 - hanh tran xay dung cong ban than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (((ho chieu) OR (doi chieu)))) sach - hanh tran xay dung cong ban than tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (((ho chieu) OR (doi chieu)))) sach - hanh tran xay dung cong ban than tap*".