Perhaps you should try some spelling variations:
sach tham » sach nha
thanh lai » thanh hai, thanh lap, thanh loi
sach thu » sach thue, sach thieu, cach thuc
va thanh » gia thanh, ban thanh, va tinh
cao loi » co loi, cao tuoi, ngao loi
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
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: su ((sach thu) OR (sach tham)) nang cao loi. hieu va cam xuc va thanh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach thu) OR (sach tham)) nang cao loi. hieu va cam xuc va thanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sach thu) OR (sach tham)) nang cao loi. hieu va cam xuc va thanh lai cua tre*.