Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
dau cua » dai cua, day cua, cau cua
va danh » va dinh, va hanh, dia danh
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
cao hoi » cau hoi, co hoi, cao hoc
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 vu cham xuc ((((va danh) or (van hanh))) 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 vu cham xuc ((((va danh) OR (van hanh))) OR (va dan)) dau cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang cao hoi. hieu vu cham xuc ((((va danh) or (van hanh))) or (va dan)) dau cua tre*.