Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
hien hanh » dieu hanh
dang cong » dung cong
thanh ca » thanh cha, thanh cac, thanh ha
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan ban » doanh ban, toan ban, doan van
ca dang » cao dang, cua dang, cac dang

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) or (hien hanh)) - cong thanh ca dang cong tap doan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien hanh)) - cong thanh ca dang cong tap doan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien hanh)) - cong thanh ca dang cong tap doan ban*.