Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hinh trong » chinh trong, dinh trong, sinh trong
hanh trinh » canh tranh, hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trong van » trong cac
qua dung » quang dung, su dung, qua song
van toan » van tuan, van tan, van thanh
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 - ((hinh trong) or (hanh trinh)) qua dung trong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((hinh trong) OR (hanh trinh)) qua dung trong van toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((hinh trong) or (hanh trinh)) qua dung trong van toan cau*.