Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong san » cong tac
pham xay » phan xay, pham van, pham tai
pham va » pham van, pham ma, pham 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 - canh tranh cua hang cong san ((pham va) or (pham xay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh tranh cua hang cong san ((pham va) OR (pham xay)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh tranh cua hang cong san ((pham va) or (pham xay))*.