Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
canh doanh » chinh doanh, doanh doanh, kinh doanh
bang cong » dang cong, bang song, hang cong
chi xanh » chi anh, chi danh, chi hanh
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
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 - ((canh doanh) OR (hanh doanh)) cua bang cong dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - ((canh doanh) OR (hanh doanh)) cua bang cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - ((canh doanh) OR (hanh doanh)) cua bang cong dan than ban*.