Perhaps you should try some spelling variations:
tieng nganh » tieng anh, trong nganh, vien nganh
nhung cong » dung cong, thong cong, hang cong
hoc tieng » hoc hien
chinh cua » chinh ca, chinh sua, hinh cua
dang cong » dung cong
san toan » van toan, dan toan, manh toan
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 tieng nganh - hanh chinh cua ((nhung cong) or (dang cong)) san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieng nganh - hanh chinh cua ((nhung cong) OR (dang cong)) san toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc tieng nganh - hanh chinh cua ((nhung cong) or (dang cong)) san toan ban*.