Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
nhan dang » nhan dan, phan dang, tran dang
cua nhung » va nhung
cong tac » cong ty
hang cau » hang dau, nhung cau, nang cao
hang ca » hang va, nang cao, hang tai

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 - ((hanh trang) or (nhan dang)) cua nhung cong tac ((hang cau) OR (hang ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh trang) OR (nhan dang)) cua nhung cong tac ((hang cau) OR (hang ca)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((hanh trang) or (nhan dang)) cua nhung cong tac ((hang cau) OR (hang ca))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh trang) or (nhan dang)) cua nhung cong tac ((hang cau) OR (hang ca))*.