Perhaps you should try some spelling variations:
thanh vai » thanh van, thanh tai, thanh oai
thanh hai » thanh phan, thanh hoa, thanh san
lam duoc » nam duoc, luat duoc, lam thuoc
duoc ban » duc ban, quoc ban, buoc ban
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va lam » van lam, va lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. hieu va lam duoc ban ((thanh vai) OR (thanh hai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu va lam duoc ban ((thanh vai) OR (thanh hai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu va lam duoc ban ((thanh vai) OR (thanh hai)) cua tre*.