Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tac » cong ty
cong tan » cong san, cong thanh, cong ty
than tap » toan tap, han tap, phan tap
cap xay » cau xay
cap hay » cap han, cap giay, cap nhat

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 - hanh trung ((cap xay) or (cap hay)) ((cong tac) or (cong tan)) than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trung ((cap xay) OR (cap hay)) ((cong tac) OR (cong tan)) than tap.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trung ((cap xay) or (cap hay)) ((cong tac) or (cong tan)) than tap*.