Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
dien anh » tieng anh, dien dan
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
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: theo ((dien anh) or (chieu sach)) - hanh trung cua nhung ((cong dan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((dien anh) OR (chieu sach)) - hanh trung cua nhung ((cong dan) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((dien anh) or (chieu sach)) - hanh trung cua nhung ((cong dan) or (cong tac)) toan cau*.