Perhaps you should try some spelling variations:
hanh than » hanh han, hanh nhan, hanh phan
va triet » va thiet, va trien, ve triet
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
van cau » van dau, van hau, van chat
van cac » van hac, van bac, dan cac
xang xa » lang xa, mang xa, ang xa
y xang » ty xang
xuc va » duc va, tuc va, luc va

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 y xang xa hoi. hieu ((van cac) or (van cau)) xuc va hanh than ((cua tre) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y xang xa hoi. hieu ((van cac) OR (van cau)) xuc va hanh than ((cua tre) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: su sach y xang xa hoi. hieu ((van cac) or (van cau)) xuc va hanh than ((cua tre) or (va triet))*.