Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
van thanh » ban thanh, van tuan
lang van » dang van, tang van, hoang van
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, lam thuoc
ky lang » ky nang, ky dang, ky tang
van hoc » van hoa
lam luc » lao luc
cua tre » cua te, cuu tre, cua triet
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky lang van hoc. hieu van ((lam luc) OR (lam duoc)) van thanh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky lang van hoc. hieu van ((lam luc) OR (lam duoc)) van thanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu can ky lang van hoc. hieu van ((lam luc) OR (lam duoc)) van thanh dai cua tre*.