Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
manh trung » manh tung, thanh trung, manh hung
phuong dan » phuong doan, huong dan, phuong lan
hoc chieu » hoc thieu, ho chieu, hoc hien
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
tam nhi » tam thi, nam nhin, thai nhi

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