Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh tuong » manh tung, manh cuong, minh tuong
hoc chieu » hoc thieu, ho chieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
hang cong » dang cong, hang nong, bang cong
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 - manh tuong cua ((thong thong) or (hang cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - manh tuong cua ((thong thong) OR (hang cong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - manh tuong cua ((thong thong) or (hang cong)) dan than cau*.