Perhaps you should try some spelling variations:
sach tham » sach nha
sach thu » sach thue, sach thieu, cach thuc
hanh vai » hanh vi, hanh va, hanh tai
vai cuu » vai cua
thuc va » thuc vat, thuc dan, thuc day
van cam » van nam, van lam, van cau
thi van » thi lan, thi hanh, thi nang
xang xa » lang xa, mang xa, ang xa
cuu tre » cua tre, cau tren, cau treo
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: tu ((sach thu) OR (sach tham)) xang xa hoi. thi van cam ((xuc va) or (thuc va)) hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (sach tham)) xang xa hoi. thi van cam ((xuc va) OR (thuc va)) hanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) OR (sach tham)) xang xa hoi. thi van cam ((xuc va) or (thuc va)) hanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) OR (sach tham)) xang xa hoi. thi van cam ((xuc va) or (thuc va)) hanh vai cuu tre*.