Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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 (chieu sach)) - hanh tang cua nhung cong tac than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chiet tach) OR (chieu sach)) - hanh tang cua nhung cong tac than cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) OR (chieu sach)) - hanh tang cua nhung cong tac than cap*.