Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh trinh cua ((nhung cong) or (dung cong)) ((dan than) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh cua ((nhung cong) OR (dung cong)) ((dan than) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh cua ((nhung cong) or (dung cong)) ((dan than) or (manh toan)) cau*.