Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
nhi phuong » thi phuong, nhu phuong, chin phuong
phuong dan » phuong danh, phuong doan, huong dan
trung ha » trung hoc, trung tam, trung cap
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
ha nhi » ha noi, ha thi

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 ((chieu xanh) OR (chieu sach)) - manh trung ha nhi phuong dan ((than cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sach)) - manh trung ha nhi phuong dan ((than cau) or (toan cau))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sach)) - manh trung ha nhi phuong dan ((than cau) or (toan cau))*.