Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
nhung bong » nhung cong, nhung bang, nhung chong
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
bong dan » cong dan, bong da, nong dan
dan toan » van toan, dan than, manh toan
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 ((dieu hanh) or (chieu sach)) - hanh trang cua nhung bong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dieu hanh) OR (chieu sach)) - hanh trang cua nhung bong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu hanh) or (chieu sach)) - hanh trang cua nhung bong dan toan cao*.