Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tran xay » tra xay, tran day, trinh xay
tan than » tan thanh, tan tran, tam than
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chieu) or (ho chieu)) sach - hanh tran xay dung cong ((tan than) or (ban than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (ho chieu)) sach - hanh tran xay dung cong ((tan than) OR (ban than)) tap.
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (ho chieu)) sach - hanh tran xay dung cong ((tan than) or (ban than)) tap*.