Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
dang xay » dang van, van xay
va thanh » gia thanh, ban thanh, va tinh
chat xuc » chat huu, cam xuc, chao xu
bo sach » co sach, hoc sach
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va
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 y ((dang xay) or (nang x)) hoi. ((hieu va) or (hieu qua)) chat xuc va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach y ((dang xay) OR (nang x)) hoi. ((hieu va) OR (hieu qua)) chat xuc va thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: bo sach y ((dang xay) or (nang x)) hoi. ((hieu va) or (hieu qua)) chat xuc va thanh vai cua tre*.