Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tang luan » dung luan
dung cong » dung trong
dung cua » dung luan, dung cho
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than ban » thanh ban, toan ban, than man

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 - anh ((dung cua) or (tang luan)) dung cong tac than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - anh ((dung cua) OR (tang luan)) dung cong tac than ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - anh ((dung cua) or (tang luan)) dung cong tac than ban*.