Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
xach tay » canh tay
va thanh » gia thanh, ban thanh, va tinh
lai cua » dai cua, hai cua, lai chau
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
sach ty » sach tu, sach thu, sach hay
nang co » nang cao, nang doc, nang noi
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
co loi » co hoi

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 ty) OR (xach tay))) or (sach y)) nang co loi. hieu va cam luc va thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((((sach ty) OR (xach tay))) OR (sach y)) nang co loi. hieu va cam luc va thanh lai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((((sach ty) OR (xach tay))) or (sach y)) nang co loi. hieu va cam luc va thanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((((sach ty) OR (xach tay))) or (sach y)) nang co loi. hieu va cam luc va thanh lai cua tre*.