Perhaps you should try some spelling variations:
thanh tai » thanh toan, doanh tai, thanh san
thanh hai » thanh phan, thanh hoa, thanh san
cai cach » loi cach, tai cac, va cach
cach ban » cac ban, cach bao, cach ben
tu sach » thu sach, su sach, te sach
nang ro » nang co, nang ho, nang ra
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ro hoi » co hoi, o hoi, mo hoi
va cai » va cac, va bai, va dai

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 ro hoi. hieu va cai cach ban ((thanh tai) or (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ro hoi. hieu va cai cach ban ((thanh tai) OR (thanh hai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ro hoi. hieu va cai cach ban ((thanh tai) or (thanh hai)) cua tre*.