Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
vat nhung » va nhung, vap nhung, ve nhung
vai nhung » va nhung, voi nhung, vap nhung
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh trinh ((vat nhung) OR (vai nhung)) ((cong ban) OR (cong tan)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - canh trinh ((vat nhung) OR (vai nhung)) ((cong ban) or (cong tan)) than cau~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh trinh ((vat nhung) OR (vai nhung)) ((cong ban) or (cong tan)) than cau*.