Perhaps you should try some spelling variations:
phap phong » hai phong, phap phan
phong tac » phong tuc, phong cac, phong tai
doc hieu » hoc thieu, hoc hien
tac danh » sach danh, cac doanh, cac dan
cong va » dong va, cong ha, cong tac
va phap » va phat, ban phap
danh va » doanh va, hanh va, anh va

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) or (toc thieu)) sang - thanh cong va phap phong tac danh va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) sang - thanh cong va phap phong tac danh va*.