Perhaps you should try some spelling variations:
hoc thuyet » hoc chuyen
hoa thiet » hoc thiet, toan thiet, hoa viet
dung cong » dung trong
ho thiet » hoc thiet, so thiet, hoc thieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
cong ap » cong lap, cong san, cong tan
ap dung » xay dung, van dung

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

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