Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
chua bang » chu bang, chua nang, chua xang
cua dang » cua cong, cua ban
song tac » cong tac, sang tac, dong tac
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh hinh ((cua dang) or (chua bang)) song tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh hinh ((cua dang) OR (chua bang)) song tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh hinh ((cua dang) or (chua bang)) song tac toan cao*.