Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
thanh toan » thanh hoa, thanh san, tinh toan
hanh tran » hanh trang, thanh tran, hanh tram
hang cong » dang cong, hang nong, bang cong
chi xanh » chi anh, chi danh, chi hanh
tran van » luan van
toan cao » toan ban, toan tap
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 tran van ((nhung cong) OR (hang cong)) thanh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - hanh tran van ((nhung cong) OR (hang cong)) thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - hanh tran van ((nhung cong) OR (hang cong)) thanh toan cao*.