Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chieu » theo tieu, ho chieu, thi chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
theo chu » cho chu, chao chu, theo yeu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
doan » doanh, toan, soan

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) or (theo chu)) xanh - hanh trinh cua thong ((cong dan) OR (cong tan)) chan doan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - hanh trinh cua thong ((cong dan) OR (cong tan)) chan doan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo chu)) xanh - hanh trinh cua thong ((cong dan) OR (cong tan)) chan doan".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) xanh - hanh trinh cua thong ((cong dan) OR (cong tan)) chan doan*.