Perhaps you should try some spelling variations:
toc sac » toc sach, toc san, hoc sach
qua cac » cua cac
vai cua » dai cua, hai cua, lai cua
va kinh » va tinh, qua kinh
va hanh » van hanh, va thanh, va danh
nang ha » nang hai, nang han, nang hoa
qua cam » qua cham, qua ca, qua cai
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky nang ha hoi. hieu ((qua cam) OR (qua cac)) xuc ((va hanh) OR (va kinh)) vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sac ky nang ha hoi. hieu ((qua cam) OR (qua cac)) xuc ((va hanh) OR (va kinh)) vai cua tre".
• Adding a wildcard symbol may retrieve word variants: toc sac ky nang ha hoi. hieu ((qua cam) OR (qua cac)) xuc ((va hanh) OR (va kinh)) vai cua tre*.