Perhaps you should try some spelling variations:
hoc thuyet » hoc chuyen
dung cong » dung trong
ho chiet » ho chieu, hoc thiet, hoa thiet
ho thiet » hoc thiet, hoa thiet, so thiet
cong cap » cung cap, cong cau, cong cac
cap dung » ap dung, cao dung, chan dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chiet) or (((ho thiet) or (hoc thuyet)))) tach - thanh cong cap dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (((ho thiet) OR (hoc thuyet)))) tach - thanh cong cap dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (((ho thiet) or (hoc thuyet)))) tach - thanh cong cap dung cong tac toan cau*.