Perhaps you should try some spelling variations:
chua nhung » cua nhung, thuat nhung, cua chung
hieu nganh » vien nganh, hieu manh, nghiep nganh
hiem ngan » kim ngan, viem gan
sua nhung » cua nhung, qua nhung, quan nhung
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan dau » phan tu, hang dau

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) OR (hiem ngan)) - hanh chinh ((sua nhung) or (chua nhung)) cong van phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (hiem ngan)) - hanh chinh ((sua nhung) OR (chua nhung)) cong van phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu nganh) OR (hiem ngan)) - hanh chinh ((sua nhung) or (chua nhung)) cong van phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) OR (hiem ngan)) - hanh chinh ((sua nhung) or (chua nhung)) cong van phan dau*.