Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
trinh luan » trinh quan, trinh han, trinh toan
dong cong » duong cong, dung cong, dang cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) sach - hanh ((trinh luan) or (trinh luat)) dong cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - hanh ((trinh luan) OR (trinh luat)) dong cong ban than cap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - hanh ((trinh luan) or (trinh luat)) dong cong ban than cap*.