Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
thoai cac » tai cac, thong cac, tho cac
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong ban » cong bang, cong san, cong tan
thai cac » tai cac, thac cac, thai cao
khai cac » khai thac, tai cac, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - anh tang cua nhung cong ban ((thai cac) or (((khai cac) or (thoai cac))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - anh tang cua nhung cong ban ((thai cac) OR (((khai cac) OR (thoai cac)))).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - anh tang cua nhung cong ban ((thai cac) or (((khai cac) or (thoai cac))))*.