Perhaps you should try some spelling variations:
thanh luan » tranh luan, thanh xuan, thanh tuan
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
khi xanh » khia canh, thi hanh, thi anh
anh toan » anh tuan, thanh toan, nganh toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - thanh luan van ((nhung cong) or (hang cong)) ((anh toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - thanh luan van ((nhung cong) OR (hang cong)) ((anh toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - thanh luan van ((nhung cong) or (hang cong)) ((anh toan) or (manh toan)) cau*.