Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tang » hanh trang, hanh mang, hanh tung
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
chu xanh » chu manh, chua xang, chuc danh
anh tang » anh bang, anh dang, anh nang
cua dung » cua dang, cua dong, qua dung
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 ((chu xanh) OR (chieu xanh)) - ((hanh tang) or (anh tang)) cua dung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - ((hanh tang) OR (anh tang)) cua dung cong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chieu xanh)) - ((hanh tang) or (anh tang)) cua dung cong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chieu xanh)) - ((hanh tang) or (anh tang)) cua dung cong tinh toan cau*.