Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » chat xuc, cham soc, pham duc
nang di » nang du, hang di, nang ji
va nang » van nang, da nang, cam nang
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (toc sach)) tu nang xa hoi. lieu va ((cham xuc) or (cam xuc)) va nang di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) tu nang xa hoi. lieu va ((cham xuc) OR (cam xuc)) va nang di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) tu nang xa hoi. lieu va ((cham xuc) or (cam xuc)) va nang di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) tu nang xa hoi. lieu va ((cham xuc) or (cam xuc)) va nang di cua tre*.