Perhaps you should try some spelling variations:
ban thanh » ban hanh
thu sach » thuat sach, thuoc sach, thu hoach
cham xuc » cam xuc, chat xuc, cham soc
ban hang » ngan hang
tai cua » thai cua, tai cuc, tri cua
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
tu sach » su sach, te sach, tu cach
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
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: ((thu sach) or (tu sach)) y nang ma hoi. hieu ve cham xuc ((ban thanh) OR (ban hang)) tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) y nang ma hoi. hieu ve cham xuc ((ban thanh) OR (ban hang)) tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (tu sach)) y nang ma hoi. hieu ve cham xuc ((ban thanh) OR (ban hang)) tai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) y nang ma hoi. hieu ve cham xuc ((ban thanh) OR (ban hang)) tai cua tre*.