Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
dang van » hoang van, hang va
cham duc » pham duc, cham soc, pham duy
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
va cham » va chat, va tham
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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) or (sach y)) ((dang van) or (nang x)) hoi. hieu va cham duc va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) ((dang van) OR (nang x)) hoi. hieu va cham duc va thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) ((dang van) or (nang x)) hoi. hieu va cham duc va thanh vai cua tre*.