Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc dieu
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
san tuan » van tuan, san quan, tran tuan
san luan » dan luan, tang luan, hang luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc hien)) sach - thanh trung cap thong cong ((san tuan) OR (san luan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) sach - thanh trung cap thong cong ((san tuan) OR (san luan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) sach - thanh trung cap thong cong ((san tuan) OR (san luan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) sach - thanh trung cap thong cong ((san tuan) OR (san luan)) cau*.