Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
dang xay » dang van, van xay
nha thuc » nhan thuc, nha thuoc, nham thuc
su sach » so sach, vu sach
vai cua » dai cua, hai cua, lai cua
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
ve nha » ke nha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (te sach)) ky ((dang xay) or (nang x)) hoi. hieu ve nha thuc va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky ((dang xay) OR (nang x)) hoi. hieu ve nha thuc va thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky ((dang xay) or (nang x)) hoi. hieu ve nha thuc va thanh vai cua tre*.