Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
cham xuc » cam xuc, chat xuc, cham soc
toc sach » hoc sach, doc sach, thuoc sach
ban hanh » ban hang
cua tre » cua te, cua triet, dua tren
hanh va » hang va, hanh vi
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
cuu tre » cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nuoc sach) or (toc sach)) ky nang ma hoi. hieu ve cham xuc ban hanh va ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nuoc sach) OR (toc sach)) ky nang ma hoi. hieu ve cham xuc ban hanh va ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((nuoc sach) or (toc sach)) ky nang ma hoi. hieu ve cham xuc ban hanh va ((cua tre) or (cuu tre))*.