Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh toan » tinh toan, thanh toan, trinh han
doi chieu » doc hieu, doi chi, ho chieu
trinh va » trinh van, trinh vat, trinh ve
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - hanh ((trinh va) or (trinh toan)) trong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh ((trinh va) OR (trinh toan)) trong cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh ((trinh va) or (trinh toan)) trong cong tac toan tap*.