Perhaps you should try some spelling variations:
nhanh hai » nhanh thai, thanh hai, nhanh ha
van nhanh » van thanh, van hanh, van khanh
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
hai cua » thai cua, dai cua, hoi cua
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
va cam » va cac, va cao, va cai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ky lang) or (ky dang)) xa hoi. lieu ((va cam) or (va cham)) xuc van nhanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky lang) OR (ky dang)) xa hoi. lieu ((va cam) OR (va cham)) xuc van nhanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky lang) or (ky dang)) xa hoi. lieu ((va cam) or (va cham)) xuc van nhanh hai cua tre*.