Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chau tinh » cuu tinh, ha tinh, cua tinh
tang luan » dung luan
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
anh tang » anh bang, anh dang, anh nang
cong ban » cong bang, cong san, cong tan
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chau tinh)) - anh tang luan dang cong ban ((than ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chau tinh)) - anh tang luan dang cong ban ((than ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chau tinh)) - anh tang luan dang cong ban ((than ban) or (van ban))*.