Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chua nhung » cua nhung, thuat nhung, cua chung
hieu manh » chieu xanh, dieu hanh, hien hanh
sua nhung » cua nhung, qua nhung, quan nhung
van thanh » ban thanh, van tuan
thanh dau » thanh dat, thanh dam, thanh mau
cong van » cong vang, cong san, song van

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