Perhaps you should try some spelling variations:
khan than » phan than, khoan thanh, khanh thanh
than cuu » than cua, than cui, thanh luu
van khan » van khanh, van khang, van phan
hieu van » hieu va, thien van, lieu va
sach kem » hanh kem
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
cuu tre » cua tre, cau tren, cau treo
o hoi » co hoi, o hoc, o hoa
o hai » co hai, so hai, o lai

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 y)) nang ((o hoi) or (o hai)). hieu van cac xuc van khan than cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (sach y)) nang ((o hoi) OR (o hai)). hieu van cac xuc van khan than cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (sach y)) nang ((o hoi) or (o hai)). hieu van cac xuc van khan than cuu tre*.