Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
choi trong » hoi trong, hoc trong, hoa trong
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dung choi » dung cho, dung chi, dung thoi
cong danh » cuong danh, cong dan, cong thanh

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 dung choi trong cong danh ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh dung choi trong cong danh ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh dung choi trong cong danh ((toan ban) or (van ban))*.