Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
phung cong » nhung cong, phong cong, nhung chong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cap » truong cao, trung tam
hung cong » nhung cong, hung cuong, dung cong
than cau » toan cau, phan cau, than cap
han ap » han tap, khan ap, dan ap

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 sach - thanh trung cap ((hung cong) OR (phung cong)) dan ((than cau) or (han ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh trung cap ((hung cong) OR (phung cong)) dan ((than cau) OR (han ap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - thanh trung cap ((hung cong) OR (phung cong)) dan ((than cau) or (han ap))*".