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
trung tan » trung tuan, trung tran, trung tang
trong tac » trong cac, tuong tac, trong tan
tac chong » cac chuong, cac cong, cac chung
chong ban » hong ban, phong ban, chong buon
tan dung » tran dung, tin dung, van dung

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 tan dung trong tac chong ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trung tan dung trong tac chong ban*.