Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty sang » ty xang, ty hang, duy sang
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, ma hoa, me hoi
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

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