Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
cua nhung » va nhung
cong tac » cong ty
can tu » ban tu, han tu, con tu
van tu » van thu, van du, ban tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) or (chiet tach)) - canh doanh cua nhung cong tac ((can tu) or (van tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chiet tach)) - canh doanh cua nhung cong tac ((can tu) OR (van tu)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chiet tach)) - canh doanh cua nhung cong tac ((can tu) or (van tu))*.