Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
phat xuc » chat xuc, phat xuat, phap xu
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
doi cua » dai cua, hoi cua
tu cach » tu cac
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (thuoc sach)) ky nang x hoi. hieu va phat xuc ((va hanh) OR (va thanh)) doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thuoc sach)) ky nang x hoi. hieu va phat xuc ((va hanh) OR (va thanh)) doi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (thuoc sach)) ky nang x hoi. hieu va phat xuc ((va hanh) OR (va thanh)) doi cua tre*".