Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
thai cao » thoai cac, thuat cao, toan cao
tai cao » tao cao, tai sao, tai cac

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 trinh) or (canh tranh)) cua nhung cong tac ((thai cao) OR (tai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh trinh) OR (canh tranh)) cua nhung cong tac ((thai cao) OR (tai cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((hanh trinh) or (canh tranh)) cua nhung cong tac ((thai cao) OR (tai cao))*".