Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
van hac » van hoc, van hai, van chat
vai cua » dai cua, hai cua, lai cua
van ha » van hoa, van chat, van hanh
xuc va » tuc va, luc va, xac va
cua te » cua tu

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 ty xang xa hoi. hieu ((van hac) OR (van ha)) ((xuc va) or (duc va)) hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty xang xa hoi. hieu ((van hac) OR (van ha)) ((xuc va) OR (duc va)) hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty xang xa hoi. hieu ((van hac) OR (van ha)) ((xuc va) or (duc va)) hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ty xang xa hoi. hieu ((van hac) OR (van ha)) ((xuc va) or (duc va)) hanh vai cua te*.