Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
hach toan » thanh toan, manh toan
chu manh » ho manh, chu han, thu minh
mang cua » manh cua, dung cua, ban cua
tac toan » tap toan, tam toan, tich toan
chu van » cuu van, chu han

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 manh) or (chu van)) - nhanh mang cua nhung cong ((tac toan) OR (hach toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chu van)) - nhanh mang cua nhung cong ((tac toan) OR (hach toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu manh) or (chu van)) - nhanh mang cua nhung cong ((tac toan) OR (hach toan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) or (chu van)) - nhanh mang cua nhung cong ((tac toan) OR (hach toan)) cau*.