Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
doc sach » hoc sach, toc sach, nuoc sach
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ky sang » ky nang, ky dang, ky tang
ma hoi » mai hoi, ma hoa, me hoi
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) or (doc sach)) ky sang ((ma hoi) or (xa hoi)). hieu ve cham xuc va hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (doc sach)) ky sang ((ma hoi) OR (xa hoi)). hieu ve cham xuc va hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (doc sach)) ky sang ((ma hoi) or (xa hoi)). hieu ve cham xuc va hanh dai cua tre*.