Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hanh hang » thanh hang, hang hang, hanh han
danh toan » manh toan, anh toan, dan toan
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
toan cao » toan ban, toan tap

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