Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hoang ban » hoang van, hang ban, hoang bao
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ban cua » ban quan

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 - hoang ban cua nhung ((cong dan) or (cong tac)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hoang ban cua nhung ((cong dan) OR (cong tac)) ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hoang ban cua nhung ((cong dan) or (cong tac)) ((toan cau) or (toan ban))*.