Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
tuc ban » thuc ban, truc ban, tu ban
cua tre » cua te, cuu tre, cua triet
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va cai » va cac, va dai, va cao
va dao » ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky lang xa hoi. hieu ((((va cai) OR (va bai))) or (va dao)) tuc ban thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky lang xa hoi. hieu ((((va cai) OR (va bai))) OR (va dao)) tuc ban thanh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky lang xa hoi. hieu ((((va cai) OR (va bai))) or (va dao)) tuc ban thanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu san ky lang xa hoi. hieu ((((va cai) OR (va bai))) or (va dao)) tuc ban thanh dai cua tre*.