Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
va cham » va chat, va tham
vai cuu » vai cua
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
sach tu » sach thu, cach tu, sach ty
tu xang » ty xang, tu lang, tu quang
va cam » va cac, va cao, va cai
ve cam » ve cham, ve cac, ve cai
xang x » nang x
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach tu xang x hoi. hieu ((((ve cam) or (va cam))) or (va cham)) thuc va thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach tu xang x hoi. hieu ((((ve cam) OR (va cam))) OR (va cham)) thuc va thanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: so sach tu xang x hoi. hieu ((((ve cam) or (va cam))) or (va cham)) thuc va thanh vai cuu tre*.