Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cham duc » pham duc, cham soc, pham duy
toc sach » hoc sach, doc sach, thuoc sach
ban hanh » ban hang
duc ban » duc tan, duc van, dua ban
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
xang xa » lang xa, mang xa, ang xa
va cham » va chat, va tham

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (toc sach)) ty xang xa hoi. hieu va cham duc ban hanh vi ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) ty xang xa hoi. hieu va cham duc ban hanh vi ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) ty xang xa hoi. hieu va cham duc ban hanh vi ((cua triet) or (su triet))*.