Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
toc sach » hoc sach, doc sach, thuoc sach
tay lang » tai lang, tay tang, tay quang
va thanh » gia thanh, ban thanh, va tinh
hai cua » thai cua, dai cua, hoi cua
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (toc sach)) ((tay lang) or (ky dang)) xa hoi. hieu va cam xuc va thanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ((tay lang) OR (ky dang)) xa hoi. hieu va cam xuc va thanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ((tay lang) or (ky dang)) xa hoi. hieu va cam xuc va thanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ((tay lang) or (ky dang)) xa hoi. hieu va cam xuc va thanh hai cua tre*.