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 anh » cong danh, dong anh, hong anh
tuan tap » toan tap, tuan tai, tuyen tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu hach) OR (chieu sach))) OR (dieu hanh)) - canh doanh cua nhung cong anh tuan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu hach) OR (chieu sach))) or (dieu hanh)) - canh doanh cua nhung cong anh tuan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu hach) OR (chieu sach))) or (dieu hanh)) - canh doanh cua nhung cong anh tuan tap*.