Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sang tao » hang tai
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
tu sach » thu sach, te sach, tu cach
ky sang » ky nang, ky dang, ky tang
su sach » so sach, vu sach
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
du va » dau va, tu va, su va

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) or (thuat sach))) or (su sach)) ky sang tao boi. hieu ve cac du va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (thuat sach))) OR (su sach)) ky sang tao boi. hieu ve cac du va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (thuat sach))) or (su sach)) ky sang tao boi. hieu ve cac du va hanh vai cua tre*.