Perhaps you should try some spelling variations:
tham lang » nham nang, pham hang, pham dang
thai bang » thai trang, thai binh, tai ban
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
qua cac » cua cac
cua tre » cua te, cuu tre, cua triet
van hoi » van hoa, van hoc, van hoe
va dau » va dao
va da » va dao, va dap, va dai

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 ((tham lang) OR (thai bang)) van hoi. hieu qua cac xuc ((va da) or (va dau)) thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tham lang) OR (thai bang)) van hoi. hieu qua cac xuc ((va da) OR (va dau)) thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((tham lang) OR (thai bang)) van hoi. hieu qua cac xuc ((va da) or (va dau)) thai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((tham lang) OR (thai bang)) van hoi. hieu qua cac xuc ((va da) or (va dau)) thai cua tre*.