Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
thu lang » thu hang, phu lang, tho lang
doanh va » doan va, doanh tai, doanh cua
thu bang » thu ban, thu hang, chu bang
te sach » toc sach
dao duc » giao duc, tao duoc
dao xuc » dao tuc, dao xu, dao xuan
van hoc » van hoa
cuu tre » cua tre, cau tren, cau treo
va cuu » va cau, va chu, va huu

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 ((thu lang) or (thu bang)) van hoc. hieu qua ((dao xuc) or (dao duc)) van doanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu lang) OR (thu bang)) van hoc. hieu qua ((dao xuc) OR (dao duc)) van doanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((thu lang) or (thu bang)) van hoc. hieu qua ((dao xuc) or (dao duc)) van doanh va cuu tre*.