Perhaps you should try some spelling variations:
hang doanh » hanh doanh, nhung doanh, van doanh
thieu sach » chieu sach, thien hach, hieu cach
cua truong » cua trung, xuan truong, cac truong
doanh cua » doanh luan
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan ban » van ban
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) or (hieu ca)) - hang doanh cua truong ((cong dan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (hieu ca)) - hang doanh cua truong ((cong dan) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (hieu ca)) - hang doanh cua truong ((cong dan) or (cong tac)) toan ban*.