Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cau tren » cu tren, dau tren, ca tren
sach tru » sach truc, sach thu, sach tu
va thanh » gia thanh, va tinh, le thanh
tru nang » tra nang, tri nang, truc nano
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
cuu tre » cua tre, cau treo
te sach » toc sach
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 tru nang x hoi. hieu va cac xuc ((va thanh) or (ban thanh)) dai ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tru nang x hoi. hieu va cac xuc ((va thanh) OR (ban thanh)) dai ((cuu tre) OR (cau tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tru nang x hoi. hieu va cac xuc ((va thanh) or (ban thanh)) dai ((cuu tre) OR (cau tren))*".