Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
va thanh » gia thanh, ban thanh, va tinh
su sach » vu sach
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
cao loi » co loi, cao tuoi, ngao loi
so sach » so sanh, bo sach, co sach
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
y nang » ky nang, ly nang, v nang

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