Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chieu » theo tieu, ho chieu, thi chieu
hua khong » hoa khong, cua khong, hoac khong
chua dong » cua dong, ha dong, huy dong
ban thanh » ban hanh, ban hang
theo chu » cho chu, chao chu, theo yeu
cong ban » cong bang, cong san, cong tan

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 ((hua khong) or (chua dong)) cong ban thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - hanh trinh ((hua khong) OR (chua dong)) cong ban thanh san*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) xanh - hanh trinh ((hua khong) or (chua dong)) cong ban thanh san*".