Perhaps you should try some spelling variations:
sach thoi » cach thoi, sach hoi, sach tham
dinh dinh » binh dinh, hinh dinh, dinh kinh
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
van dinh » van minh, van dich, va dinh
dinh cau » dinh chau, dinh cuu, dinh cu
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
ky mang » ky nang, ke mang, ky dang
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
xuc van » duc van, luc van, vuc van

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 (thu sach)) ky mang sach thoi. hieu vu cham xuc van dinh dinh cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky mang sach thoi. hieu vu cham xuc van dinh dinh cau tren.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky mang sach thoi. hieu vu cham xuc van dinh dinh cau tren*.