Perhaps you should try some spelling variations:
quang dung » quang trung, ung dung, cuong dung
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
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: ((theo chu) or (hoc thieu)) manh - hanh tinh quang dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (hoc thieu)) manh - hanh tinh quang dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (hoc thieu)) manh - hanh tinh quang dung cong tac toan cau*.