Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
lang van » dang van, tang van, hoang van
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu sach
cac tuc » cac toc, cac tu, cac tac
cua tre » cua te, cua triet, dua tren
tuc ban » thuc ban, truc ban, tu ban
van cac » van hac, van cau, van bac
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
cuu tre » cau tren, cau treo

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 xa) or (lang van)) hoi. hieu van cac tuc ban thanh lai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang xa) OR (lang van)) hoi. hieu van cac tuc ban thanh lai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang xa) or (lang van)) hoi. hieu van cac tuc ban thanh lai ((cua tre) or (cuu tre))*.