Perhaps you should try some spelling variations:
doanh luan » doanh nhan
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
cong dan » cong san, cong tan, huong dan
han tu » phan tu, hanh tu, van tu
ban tu » van tu

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) or (doanh luan)) nhung cong dan ((han tu) or (ban tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - canh ((doanh cua) OR (doanh luan)) nhung cong dan ((han tu) OR (ban tu)).
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - canh ((doanh cua) or (doanh luan)) nhung cong dan ((han tu) or (ban tu))*.