Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
dung cong » dung trong
tranh ban » trinh ban, tranh hang, tranh luan
thu sach » tu sach, thuat sach, thuoc sach
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chiet tach) or (thu sach)) - hanh trang cua dung cong san ((toan ban) or (tranh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (thu sach)) - hanh trang cua dung cong san ((toan ban) OR (tranh ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (thu sach)) - hanh trang cua dung cong san ((toan ban) or (tranh ban))*.