Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
chau tre » chay tren, chau tho, cho tre
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang co » nang cao, nang doc, nang noi
hieu va » lieu va, hieu qua
co loi » co hoi
va cau » van cau, va cac, va dau
luc va » duc va, tuc va
loc va » hoc 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 ty nang co loi. hieu va cau ((luc va) OR (loc va)) thanh lai chau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang co loi. hieu va cau ((luc va) OR (loc va)) thanh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang co loi. hieu va cau ((luc va) OR (loc va)) thanh lai chau tre*.