Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
manh toan » anh tuan, tinh toan
tran van » luan van
van dung » van dong, xay dung, tin dung
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh tran van dung cong ((((manh toan) or (thanh toan))) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tran van dung cong ((((manh toan) OR (thanh toan))) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tran van dung cong ((((manh toan) or (thanh toan))) or (van tuan)) cau*.