Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
thanh lap » thanh san, phan lap, thanh hai
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
su triet » su viet, su tien, ve triet
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
suc van » su van, duc van, luc van
bao suc » bao luc, cao suc, bao thuc
ve bao » te bao, va bao
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang ((ma hoi) OR (xa hoi)). hieu ve bao suc van thanh lap ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang ((ma hoi) OR (xa hoi)). hieu ve bao suc van thanh lap ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang ((ma hoi) OR (xa hoi)). hieu ve bao suc van thanh lap ((cua triet) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ((ma hoi) OR (xa hoi)). hieu ve bao suc van thanh lap ((cua triet) or (su triet))*.