Perhaps you should try some spelling variations:
vat thanh » dat thanh, gat thanh, tat thanh
thanh tai » thanh hai, thanh toan, doanh tai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cai
va cao » va cac, va co, va bao
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: te sach ky nang xa hoi. hieu ((va cam) or (((va cao) OR (va dao)))) thuc vat thanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((va cam) OR (((va cao) OR (va dao)))) thuc vat thanh tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((va cam) or (((va cao) OR (va dao)))) thuc vat thanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((va cam) or (((va cao) OR (va dao)))) thuc vat thanh tai cuu tre*.