Perhaps you should try some spelling variations:
hanh hinh » hanh chinh, hanh tinh, hanh dinh
nang cong » nang song, dang cong, bang cong
hach toan » thanh toan, manh toan
hinh cua » chinh cua, sinh cua, tinh cua
cua nang » chua nang, cua dang, cua hang
tac toan » tap toan, tam toan, tich toan
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 cua nang cong ((tac toan) OR (hach toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so lieu) OR (ho kieu)) tinh - hanh hinh cua nang cong ((tac toan) OR (hach toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so lieu) or (ho kieu)) tinh - hanh hinh cua nang cong ((tac toan) OR (hach toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ((so lieu) or (ho kieu)) tinh - hanh hinh cua nang cong ((tac toan) OR (hach toan)) cao*.