Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trinh » canh tranh, hanh chinh
trinh xay » trinh ky
trong van » trong cac
van phong » van dong, hai phong
hoc hieu » hoc thieu, hoc hien, doc hieu
phong tu » phong tuc, thong tu, phong thuy

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 xay dung trong van phong tu~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - hanh trinh xay dung trong van phong tu*.