Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh toan » thanh hoa, thanh san
hoc thieu » toc thieu, hoc hien
hanh tong » hanh trong, han tong, hanh dong
tong luan » tang luan, dung luan, hang luan
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
hach toan » manh toan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tong luan dung cong ((hach toan) OR (((thanh toan) OR (tinh toan)))) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tong luan dung cong ((hach toan) or (((thanh toan) OR (tinh toan)))) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tong luan dung cong ((hach toan) or (((thanh toan) OR (tinh toan)))) cau*.