Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh doanh » hanh doanh, chinh doanh, doanh doanh
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
doanh cua » doanh luan
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan 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 thien anh - canh doanh cua ((nhung cong) or (dung trong)) tac ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - canh doanh cua ((nhung cong) OR (dung trong)) tac ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - canh doanh cua ((nhung cong) or (dung trong)) tac ((toan tai) or (toan cao))*.