Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
anh truong » manh truong, anh thuong, anh trong
cao nhung » cho nhung, cam nhung, co nhung
cao chung » cac chung, cho chuong, chon chung
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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) OR (chieu xanh)) - anh truong ((cao nhung) OR (cao chung)) cong tan tran tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - anh truong ((cao nhung) or (cao chung)) cong tan tran tap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - anh truong ((cao nhung) or (cao chung)) cong tan tran tap*.