Perhaps you should try some spelling variations:
hanh hinh » hanh chinh, hanh tinh, hanh trinh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
dang cong » dung cong
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap
so lieu » so dieu
ho kieu » ho lieu, so kieu, thi kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so lieu) or (ho kieu)) tinh - ((hanh hinh) OR (hanh dinh)) cua dang cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so lieu) OR (ho kieu)) tinh - ((hanh hinh) OR (hanh dinh)) cua dang cong tac toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so lieu) or (ho kieu)) tinh - ((hanh hinh) OR (hanh dinh)) cua dang cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: ((so lieu) or (ho kieu)) tinh - ((hanh hinh) OR (hanh dinh)) cua dang cong tac toan cao*.