Perhaps you should try some spelling variations:
tinh vai » tinh va, tinh hai, tinh bai
dang xay » dang van, van xay
cham xuc » cam xuc, chat xuc, cham soc
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
va tinh » may tinh
va cham » va chat, va tham
bo sach » hoc sach
co sach » cuon sach, hoc sach
cua tre » cua te, cuu tre, cua triet
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: ((bo sach) OR (co sach)) ky ((dang xay) or (nang x)) hoi. hieu va cham xuc va tinh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (co sach)) ky ((dang xay) OR (nang x)) hoi. hieu va cham xuc va tinh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bo sach) OR (co sach)) ky ((dang xay) or (nang x)) hoi. hieu va cham xuc va tinh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((bo sach) OR (co sach)) ky ((dang xay) or (nang x)) hoi. hieu va cham xuc va tinh vai cua tre*.