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
san chang » ban hang, dan chan, van khang
chang tap » hang tap, hang tai, han tap
ho chieu » hoc thieu, mot chieu, thi chieu
tran xay » tra xay, tran day, trinh xay
cong san » cong tac

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 san chang 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 san chang 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 san chang tap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (((ho chieu) OR (doi chieu)))) sach - hanh tran xay dung cong san chang tap*.