Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung dong » nhung don, nhung cong, nhung dung
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
dong hanh » dong thanh, dang hanh, hong hanh
trinh va » trinh vat, trinh ve, trinh vi
hanh pha » hanh phan, hanh phap, hanh nha
pha cau » phan cau, phap cau, pha cac

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 ((trinh va) or (trinh van)) nhung dong hanh pha cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trinh va) OR (trinh van)) nhung dong hanh pha cau*.