Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
cua viet » ca viet, hoa viet, cua vat
van cac » van cau, van bac, dan cac
sach ty » sach y, sach tu, sach thu
van hoc » van hoa
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
lai cua » dai cua, hai cua, lai chau
van hac » van ha, van hai, van chat
luc va » duc va, tuc va, loc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty nang xa hoi. thi ((van cac) OR (((van hac) OR (van hoc)))) luc va thanh lai cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty nang xa hoi. thi ((van cac) or (((van hac) OR (van hoc)))) luc va thanh lai cua viet~".
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang xa hoi. thi ((van cac) or (((van hac) OR (van hoc)))) luc va thanh lai cua viet*.