Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh than » thanh thanh, thanh thang, thanh toan
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
than cua » nhan cua, thai cua, ban cua
cang dan » cong dan, tang dan, dang dan
canh dan » sanh dan, thanh dan, cac dan
canh van » anh van, can van, cach van
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh than cua thuong ((cang dan) or (((canh dan) OR (canh van)))) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh than cua thuong ((cang dan) OR (((canh dan) OR (canh van)))) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh than cua thuong ((cang dan) or (((canh dan) OR (canh van)))) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh than cua thuong ((cang dan) or (((canh dan) OR (canh van)))) toan tap*.