Perhaps you should try some spelling variations:
nhung cong » thong cong, nhung don, nhung lang
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
hoc hieu » hoc thieu, hoc hien, doc hieu
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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 (hang cong))) or (dung cong)) tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh cua ((((nhung cong) OR (hang cong))) OR (dung cong)) tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh cua ((((nhung cong) or (hang cong))) or (dung cong)) tan toan ban*.