Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuoc sinh
thuat sach » thuat lanh, thuat san
chat truc » cau truc, chat xuc
truc van » truc va, thuc van, truc ban
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
nang xa » nang x, lang xa, nang ma
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuoc sach) or (thuat sach)) y nang xa hoi. lieu va chat truc van hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (thuat sach)) y nang xa hoi. lieu va chat truc van hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (thuat sach)) y nang xa hoi. lieu va chat truc van hanh dai cua tre*.