Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tien manh » tien anh, tien thanh, tieng anh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
chan cau » phan cau, can cau, chinh cau

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 ((tien manh) OR (chieu xanh)) - hanh tang cua nhung ((cong dong) OR (cong san)) chan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien manh) or (chieu xanh)) - hanh tang cua nhung ((cong dong) or (cong san)) chan cau*.