Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
dau cua » dai cua, day cua, cau cua
cua tre » cua te, cuu tre, cua triet
va dan » ca dan, va dao, va dau

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 ky nang cao hoi. hieu van cham xuc ((va thanh) or (va dan)) dau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang cao hoi. hieu van cham xuc ((va thanh) OR (va dan)) dau cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang cao hoi. hieu van cham xuc ((va thanh) or (va dan)) dau cua tre*.