Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
manh trung » manh tung, thanh trung, sinh trung
hoc trieu » hoc thieu, hoc tieu, hoc dieu
manh hung » anh huong
cua nhung » va nhung
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: hoc trieu tinh - ((manh trung) or (manh hung)) cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - ((manh trung) OR (manh hung)) cua nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - ((manh trung) or (manh hung)) cua nhung cong tac toan cau*.