Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu hach » thien hach, chieu sach, hieu cach
canh doanh » hanh doanh, chinh doanh, kinh doanh
nhung cong » dung cong, thong cong, hang cong
hien hanh » dieu hanh
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.

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