Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
ho chieu » hoc thieu, doi chieu, mot chieu
cap phan » cac phan, cao phan, cau phan
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac
cap han » cap can, cap hay, cap van

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 - thanh trung ((cap han) OR (cap phan)) cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh trung ((cap han) OR (cap phan)) cong tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - thanh trung ((cap han) OR (cap phan)) cong tan than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - thanh trung ((cap han) OR (cap phan)) cong tan than cap*.