Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
dong phung » dong phuong, dong hung, dong chung
hoi chieu » doi chieu, ho chieu, hai chieu
luan dong » luan cong, quan dong, luan nong
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chieu sang - hanh doanh luan dong phung van ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chieu sang - hanh doanh luan dong phung van ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoi chieu sang - hanh doanh luan dong phung van ((toan tap) or (toan ban))*.