Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung cap » truong cao, trung tam
thanh lap » thanh san, phan lap, thanh hai
ho chieu » hoc thieu, doi chieu, mot chieu
can cong » cac cong, cao cong, van cong
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh cac, than cua
cap can » cap han, cap van, tap can

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 can cong ban ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh trung cap can cong ban ((than cap) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - thanh trung cap can cong ban ((than cap) OR (thanh lap))*".