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
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong san » cong tac
pham tai » pham thi, pham van
pham xay » phan xay, pham van, pham duy
pham va » pham van, pham ma, phan van

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 tranh cua bang cong san ((((pham va) OR (pham tai))) OR (pham xay))~.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh tranh cua bang cong san ((((pham va) or (pham tai))) or (pham xay))*.