Perhaps you should try some spelling variations:
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
va thanh » gia thanh, ban thanh, va tinh
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
lap cua » tap cua, lam cua, ap cua
lai cua » dai cua, hai cua, lai chau
xuc va » duc va, tuc va, luc 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) OR (doc sach)) ky nang xa hoi. thi van cac xuc va thanh ((lap cua) OR (lai cua)) vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) or (doc sach)) ky nang xa hoi. thi van cac xuc va thanh ((lap cua) OR (lai cua)) vat~".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (doc sach)) ky nang xa hoi. thi van cac xuc va thanh ((lap cua) OR (lai cua)) vat*.