Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thanh lai » thanh hai, thanh lap, thanh loi
cua triet » cua viet, va triet
duc danh » duc anh, duc manh, duc hanh
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
nam duc » nam duoc, pham duc, nam thuc
y lang » o lang, tay lang, yen lang
_ lang » o lang, _ land
va nam » van nam, ha nam, va nay

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y lang) OR (_ lang)) xa hoi. lieu va nam duc danh thanh lai ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y lang) OR (_ lang)) xa hoi. lieu va nam duc danh thanh lai ((cua triet) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y lang) OR (_ lang)) xa hoi. lieu va nam duc danh thanh lai ((cua triet) or (su triet))*.