Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
vien cac » vien bach, vien dai, vien da
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
lai cua » dai cua, hai cua, lai chau
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
nang co » nang cao, nang doc, nang noi
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, va cam, ve cai
co loi » co hoi
ve cac » va cac

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 nang co loi. hieu ((ve cam) or (((ve cac) or (vien cac)))) duc ban thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang co loi. hieu ((ve cam) OR (((ve cac) OR (vien cac)))) duc ban thanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang co loi. hieu ((ve cam) or (((ve cac) or (vien cac)))) duc ban thanh lai cua tre*.