Perhaps you should try some spelling variations:
hanh vii » hanh voi, hanh va, hanh noi
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
cua te » cua tu
o hoc » co hoc, mo hoc, so hoc
o hoi » co hoi, o hai, o hoa

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 ty nang ((o hoi) or (o hoc)). hieu ve cac xuc va ((hanh vii) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((o hoi) OR (o hoc)). hieu ve cac xuc va ((hanh vii) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ((o hoi) or (o hoc)). hieu ve cac xuc va ((hanh vii) or (hanh vi)) cua te*.