Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan tap » toan ban

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

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