Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong lang » cong vang, cong luong, cong quang
hoc hieu » hoc thieu, hoc hien, doc hieu
chinh ve » chinh va, chinh vi, chinh ke
ve nhung » va nhung, tu nhung
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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 chinh ve nhung cong lang ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh chinh ve nhung cong lang ((toan tai) OR (toan ban))*.