Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
chua xang » chua nang, chuc nang, chu bang
cong tinh » cong trinh, long tinh, cong thanh
cong vinh » cong trinh, trong vinh, cong viec
trang va » tran van, hang va
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 ((chua xang) or (chieu xanh)) - canh trang va nhung ((cong tinh) OR (cong vinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chieu xanh)) - canh trang va nhung ((cong tinh) OR (cong vinh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chieu xanh)) - canh trang va nhung ((cong tinh) OR (cong vinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chieu xanh)) - canh trang va nhung ((cong tinh) OR (cong vinh)) toan cau*.