Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
nhanh dong » hanh dong, nhanh chong, anh dong
nhung cong » dung cong, thong cong, hang cong
nhan dong » nhan dang, phan dong, nha dong
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu nganh - ((nhan dong) or (nhanh dong)) cua nhung cong dan ((toan ban) OR (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - ((nhan dong) OR (nhanh dong)) cua nhung cong dan ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - ((nhan dong) or (nhanh dong)) cua nhung cong dan ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - ((nhan dong) or (nhanh dong)) cua nhung cong dan ((toan ban) OR (van ban))*.