Perhaps you should try some spelling variations:
tinh vai » tinh va, tinh hai, tinh bai
sang tao » hang tai
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
va tinh » may tinh
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao

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 ((((nang ma) or (sang tao))) or (lang xa)) hoi. hieu va cam duc va tinh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((((nang ma) OR (sang tao))) OR (lang xa)) hoi. hieu va cam duc va tinh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((((nang ma) or (sang tao))) or (lang xa)) hoi. hieu va cam duc va tinh vai cua tre*.