Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
trung ha » trung hoc, trung tam, trung cap
ha nhung » hoa nhung, hay nhung, pha nhung
cong dan » cong san, cong tan, cong tac
toan cao » toan ban, toan tap

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 - hanh trung ha nhung ((((cong dan) or (cong dong))) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trung ha nhung ((((cong dan) OR (cong dong))) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trung ha nhung ((((cong dan) or (cong dong))) or (huong dan)) toan cao*.