Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong lang » cong vang, cong luong, cong quang
ho chieu » theo chieu, doi chieu, mot chieu
cong san » cong tac

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