Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
va hanh » van hanh, va thanh, va danh
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
cao hoc » co hoc, cho hoc, chat hoc
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky nang cao hoc. hieu vu cham xuc ((va hanh) or (va dan)) dau ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang cao hoc. hieu vu cham xuc ((va hanh) OR (va dan)) dau ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang cao hoc. hieu vu cham xuc ((va hanh) or (va dan)) dau ((cua tre) OR (cuu tre))*".