Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh dinh » thanh dinh, hinh dinh, anh dinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cuu nhung » cua nhung, cuu phuong, chua nhung
chu manh » ho manh, chu van, thu minh
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
chu han » chu 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 manh) or (chu han)) - ((hanh dinh) OR (hanh tinh)) cuu nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chu han)) - ((hanh dinh) OR (hanh tinh)) cuu nhung cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu manh) or (chu han)) - ((hanh dinh) OR (hanh tinh)) cuu nhung cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) or (chu han)) - ((hanh dinh) OR (hanh tinh)) cuu nhung cong tac toan ban*.