Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, hanh trinh, minh trang
cong thanh » dong thanh, cong trinh, cong tan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, va dung, viet dung
than cap » khan cap, thanh lap, thanh cac
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: ho chieu xanh - ((hanh trang) or (canh tranh)) vat dung cong thanh ((than cap) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh trang) OR (canh tranh)) vat dung cong thanh ((than cap) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh trang) or (canh tranh)) vat dung cong thanh ((than cap) or (toan cau))*.