Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tuong dan » tung dan, xuong dan, truong dai
tang cua » mang cua, hang cua, tang luan
toan cao » toan ban, toan tap

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 tang cua nhung ((tuong dan) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh tang cua nhung ((tuong dan) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh tang cua nhung ((tuong dan) or (huong dan)) toan cao*.