Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu xanh » chieu sach, chieu sang, chieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
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: hoc ((chieu xanh) or (lieu tinh)) - hanh trung cua thong ((cong dan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (lieu tinh)) - hanh trung cua thong ((cong dan) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (lieu tinh)) - hanh trung cua thong ((cong dan) or (cong tac)) toan cau*.