Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
phuong van » phung van, phong van, phuong lan
mat duong » mai duong, xuat duong, hai duong
van hanh » van thanh, ban hanh, van anh
hanh cau » nhanh cau, hang cau, hanh cac
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) OR (chieu sach)) - thanh thang ((va dung) or (mat duong)) phuong van hanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - thanh thang ((va dung) OR (mat duong)) phuong van hanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sach)) - thanh thang ((va dung) or (mat duong)) phuong van hanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sach)) - thanh thang ((va dung) or (mat duong)) phuong van hanh cau*.