Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
doi chieu » doc hieu, doi chi, ho chieu
hanh tram » hanh tam, hanh trang, thanh tran
dung cong » dung trong
theo chu » cho chu, chao chu, theo yeu
tram xay » tra xay, pham xay, thau xay
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
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 (theo chu))) or (doi chieu)) sach - hanh tram xay dung cong tan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo chieu) OR (theo chu))) OR (doi chieu)) sach - hanh tram xay dung cong tan than tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((theo chieu) OR (theo chu))) or (doi chieu)) sach - hanh tram xay dung cong tan than tap".
• Adding a wildcard symbol may retrieve word variants: ((((theo chieu) OR (theo chu))) or (doi chieu)) sach - hanh tram xay dung cong tan than tap*.