Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
chau tinh » cuu tinh, ha tinh, cua tinh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
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 ((chieu xanh) or (chau tinh)) - hanh mang ((cua dung) OR (cua dong)) cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chau tinh)) - hanh mang ((cua dung) OR (cua dong)) cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chau tinh)) - hanh mang ((cua dung) OR (cua dong)) cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chau tinh)) - hanh mang ((cua dung) OR (cua dong)) cong trinh toan cau*.