Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
te sach » toc sach
cau tuc » cau truc, cau tu, cau luc
cua tre » cua te, cua triet, dua tren
van cau » van dau, van hau, van chat
nong xa » song xa, dong xa, nong va
tu nong » tu dong, tu cong, tu tong
cuu tre » cau tren, cau treo
tuc va » thuc va, truc va, tuc xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (thu sach)) tu nong xa hoi. hieu van cau tuc va thanh lai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) tu nong xa hoi. hieu van cau tuc va thanh lai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) tu nong xa hoi. hieu van cau tuc va thanh lai ((cua tre) or (cuu tre))*.