Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
dan chan » dan gian, dan ca, van chat
chan tu » phan tu, han tu, chon tu

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 hanh)) - canh tranh cua ((nhung cong) or (hang cong)) dan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi hanh)) - canh tranh cua ((nhung cong) OR (hang cong)) dan chan tu.
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi hanh)) - canh tranh cua ((nhung cong) or (hang cong)) dan chan tu*.