Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
dieu tinh » diep tinh, lieu tinh, dien tinh
doanh cua » doanh luan
bang cong » dang cong, bang song, hang cong
cong luan » tong luan, cong tuan, dong luan
hoc dieu » hoc thieu, hoc hien
cua bang » chua bang, cua ban, cua dang
van chat » cao chat
van dau » van dao, phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu tinh - hanh doanh cua bang cong luan ((van dau) or (van chat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu tinh - hanh doanh cua bang cong luan ((van dau) OR (van chat)).
• Adding a wildcard symbol may retrieve word variants: hoc dieu tinh - hanh doanh cua bang cong luan ((van dau) or (van chat))*.