Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dang cuong » dang cong, tang cuong, quang cuong
hien hanh » dieu hanh
cuong tap » luong tap, cong tac, luong tai
thang ca » thang cua, tang ca, thang va
tap doan » tap quan
doan ban » doanh ban, toan ban, doan van
hang ca » hang va, nang cao, hang tai

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)) - cang ((thang ca) OR (hang ca)) dang cuong tap doan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien hanh)) - cang ((thang ca) OR (hang ca)) dang cuong tap doan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hien hanh)) - cang ((thang ca) OR (hang ca)) dang cuong tap doan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien hanh)) - cang ((thang ca) OR (hang ca)) dang cuong tap doan ban*.