Perhaps you should try some spelling variations:
thanh tai » thanh toan, doanh tai, thanh san
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cua triet, dua tren
te sach » toc sach
cac ban » cac dan, cac van, can ban
cac cac » cac cach, ca cac, cac bac
van cac » van hac, van cau, van bac
cuu tre » cau tren, cau treo
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
x hoi » xa hoi, o hoi, x ho

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 v nang x hoi. hieu van cac cac ban ((thanh tai) or (thanh hai)) ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang x hoi. hieu van cac cac ban ((thanh tai) OR (thanh hai)) ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang x hoi. hieu van cac cac ban ((thanh tai) or (thanh hai)) ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach v nang x hoi. hieu van cac cac ban ((thanh tai) or (thanh hai)) ((cua tre) OR (cuu tre))*.