Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
trinh han » trinh quan
dong cong » duong cong, dung cong, dang cong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » hoc thieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh

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 han) or (trinh luat)) dong cong tan thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - hanh ((trinh han) OR (trinh luat)) dong cong tan thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - hanh ((trinh han) or (trinh luat)) dong cong tan thanh cau*.