Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
tuc ban » thuc ban, truc ban, tu ban
su tien » su kien, su hien, tu tieng
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach _ lang xa hoi. hieu va cam tuc ban thanh vi ((cua triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach _ lang xa hoi. hieu va cam tuc ban thanh vi ((cua triet) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: su sach _ lang xa hoi. hieu va cam tuc ban thanh vi ((cua triet) or (su tien))*.