Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
canh doanh » hanh doanh, chinh doanh, doanh doanh
hien hanh » dieu hanh
doanh qua » doanh quan, doanh cua, danh qua
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong anh » cong danh, dong anh, hong anh
tuan tap » toan tap, tuan tai, toan tai

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 qua dung cong anh ((tuan tap) or (tuyen tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu hach) OR (hien hanh)) - canh doanh qua dung cong anh ((tuan tap) OR (tuyen tap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu hach) or (hien hanh)) - canh doanh qua dung cong anh ((tuan tap) or (tuyen tap))*.