Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cho doanh » hoa doanh
hanh tang » hanh trang, anh tang, hanh mang
cho xanh » cho thanh, cho sinh, cho hang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
tang va » trang va, tang van, thang va

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) OR (cho doanh)) - hanh tang va nhung cong dan toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao ((cho xanh) OR (cho doanh)) - hanh tang va nhung cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: cao ((cho xanh) OR (cho doanh)) - hanh tang va nhung cong dan toan tap*.