Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
hanh mang » nhanh mang, hanh trang, nhanh lang
mang cua » manh cua, dung cua, ban cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
chu van » cuu van

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 han) or (ho manh))) or (chu van)) - hanh mang cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu han) OR (ho manh))) OR (chu van)) - hanh mang cua nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((((chu han) or (ho manh))) or (chu van)) - hanh mang cua nhung cong tac toan cau*.