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
dung cong » dung trong
khoan cam » khoa cam, phan cam, thuan cam
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
khan cap » khan ap, than cap, phan cac
khoan va » doan va, khoa ma, nhan va

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 dung cong dan ((khan cap) or (((khoan cam) or (khoan va))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh tranh cua dung cong dan ((khan cap) OR (((khoan cam) OR (khoan va)))).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh tranh cua dung cong dan ((khan cap) or (((khoan cam) or (khoan va))))*.