Perhaps you should try some spelling variations:
dong cong » duong cong, dung cong, dang cong
cho xanh » cho doanh, cho thanh, cho sinh
xanh cua » hanh cua, anh cua, canh cua
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
cao cho » cap cho, cao chat
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cao cho xanh - hoang ((xanh cua) or (manh cua)) dong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao cho xanh - hoang ((xanh cua) OR (manh cua)) dong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: cao cho xanh - hoang ((xanh cua) or (manh cua)) dong cong dan van ban*.