Perhaps you should try some spelling variations:
chat xuc » chat huu, chao xu, chat cua
tu sach » thu sach, su sach, te sach
va dinh » van dinh, va tinh, vu dinh
cuu cua » cau cua, cu cua, chu cua
va kinh » va tinh, qua kinh
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
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 sach ky nang x hoi. hieu ve ((chat xuc) or (cam xuc)) ((va dinh) OR (va kinh)) cuu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu ve ((chat xuc) OR (cam xuc)) ((va dinh) OR (va kinh)) cuu cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. hieu ve ((chat xuc) or (cam xuc)) ((va dinh) OR (va kinh)) cuu cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu ve ((chat xuc) or (cam xuc)) ((va dinh) OR (va kinh)) cuu cua tre*.