Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trong manh » trong minh, trong anh, trong canh
trong mach » trong cac, trong minh, trong anh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
tran van » luan van
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh tran van dong ((trong manh) OR (trong mach)) toan cao~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh tran van dong ((trong manh) OR (trong mach)) toan cao*.