Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chi thanh » chi nhanh, thi thanh, cho thanh
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
chi xanh » chi anh, chi danh, chi hanh
dung cua » dung luan, dung cho
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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) or (chi thanh)) - hanh dung cua nhung cong ((dan toan) OR (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi thanh)) - hanh dung cua nhung cong ((dan toan) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi thanh)) - hanh dung cua nhung cong ((dan toan) OR (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi thanh)) - hanh dung cua nhung cong ((dan toan) OR (dan than)) cau*.