Perhaps you should try some spelling variations:
tham lang » nham nang, pham hang, thai bang
thai cua » than cua, tai cuc, tri cua
toc sach » hoc sach, doc sach, thuoc sach
lang van » dang van, tang van, hoang van
da thai » dao thai, do thai, ca thai
qua cac » cua cac
cua tre » cua te, cuu tre, cua triet
van hoi » van hoa, van hoc, van hoe
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc 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)) tham lang van hoi. hieu qua cac ((xuc va) or (luc va)) da thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) tham lang van hoi. hieu qua cac ((xuc va) OR (luc va)) da thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) tham lang van hoi. hieu qua cac ((xuc va) or (luc va)) da thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) tham lang van hoi. hieu qua cac ((xuc va) or (luc va)) da thai cua tre*.