Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
phuong dan » phuong danh, phuong doan, huong dan
cua trung » cua truong, xuan trung, ba trung
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan
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: ho chieu sach - hanh trinh ((cua trung) or (cua nhung)) phuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh ((cua trung) OR (cua nhung)) phuong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh ((cua trung) or (cua nhung)) phuong dan toan cau*.