Perhaps you should try some spelling variations:
chay tren » thai tren, ca tren, cau tren
thanh lam » thanh lap, hanh lam, thanh nam
van thanh » ban thanh, van tuan
sach kem » hanh kem
lam chay » lam chat, lam thay, lam cha
hieu van » hieu va, thien van, lieu va
xuc van » duc van, luc van, vuc van
van cam » van nam, van lam, van cau
sach ty » sach y, sach tu, sach thu
x hoi » xa hoi, o hoi, x ho
o hoc » co hoc, mo hoc, so hoc

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 kem) or (sach ty)) nang ((x hoi) or (o hoc)). hieu van cam xuc van thanh lam chay tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (sach ty)) nang ((x hoi) OR (o hoc)). hieu van cam xuc van thanh lam chay tren.
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (sach ty)) nang ((x hoi) or (o hoc)). hieu van cam xuc van thanh lam chay tren*.