Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh hanh » hanh han, xanh hanh, nhanh thanh
dung cong » dung trong
toc hieu » toc thieu, doc hieu, hoc thieu
cong dan » cong san, cong tan, huong dan
toan ban » van ban
hanh va » hang va, hanh vi
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu nganh - hanh hanh va dung cong dan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu nganh - hanh hanh va dung cong dan ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: toc hieu nganh - hanh hanh va dung cong dan ((toan ban) or (toan tap))*.