Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lanh tranh » canh tranh, lan tranh, hanh trinh
quang dung » quang trung, ung dung, cuong dung
hoc chieu » hoc thieu, ho chieu, hoc hien
cua dung » cua dang, cua dong, qua dung
toan cau » 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 - lanh tranh ((cua dung) or (quang dung)) ((cong tac) or (cong ty)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - lanh tranh ((cua dung) OR (quang dung)) ((cong tac) OR (cong ty)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - lanh tranh ((cua dung) or (quang dung)) ((cong tac) or (cong ty)) toan cau*.