Perhaps you should try some spelling variations:
thieu hach » thien hach, hieu cach, thieu cac
chieu sach » chinh sach, chiet tach, chieu sang
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 van » cong vang, cong san, song van
van chat » cao chat
chat cau » chat cam, chat cao, chat 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 hach) or (chieu sach)) - canh doanh cua nhung cong van chat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu hach) OR (chieu sach)) - canh doanh cua nhung cong van chat cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu hach) or (chieu sach)) - canh doanh cua nhung cong van chat cau*.