Perhaps you should try some spelling variations:
hanh trinh » canh tranh
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
ban thanh » ban hanh, ban hang
chi xanh » chi anh, chi danh, chi hanh
anh dung » anh dong, anh huong, sach dung
cong ban » cong bang, cong san, cong tan
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - ((((hanh trinh) or (hanh chinh))) or (anh dung)) luan dong cong ban thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - ((((hanh trinh) OR (hanh chinh))) OR (anh dung)) luan dong cong ban thanh san.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - ((((hanh trinh) or (hanh chinh))) or (anh dung)) luan dong cong ban thanh san*.