Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
tan than » tan thanh, tan tran, tam than
ban than » ban thanh, van thanh, ban hang

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 nganh - hanh trinh cua nhung cong ((tan than) OR (ban than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - hanh trinh cua nhung cong ((tan than) OR (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - hanh trinh cua nhung cong ((tan than) OR (ban than)) cau*.