Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
dan toan » van toan, dan than, 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 tinh ((cua thong) OR (cua tong)) xuong ((dan toan) OR (thanh toan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tinh ((cua thong) OR (cua tong)) xuong ((dan toan) or (thanh toan)) ban~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tinh ((cua thong) OR (cua tong)) xuong ((dan toan) or (thanh toan)) ban*.