Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh hang » thanh hang, hang hang, hanh han
hang cong » dang cong, hang nong, bang cong
danh toan » manh toan, dan toan, dang toan
chi xanh » chi anh, chi danh, chi hanh
anh toan » manh toan, anh tuan, thanh toan
doi chi » doi khi

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