Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
quang ban » quang binh, quang tuan, quang tran
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tap » cuong tap, cong tac, cong tan
qua ban » cua ban, qua quan

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