Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lai » thanh hai, thanh lap, thanh loi
sach tra » sach tranh, sach tham, sach tren
su sach » so sach, vu sach
cua tre » cua te, cua triet, dua tren
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cau tren, cau treo
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
ve cac » va cac, vien 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 tra ((nang xa) OR (nang x)) hoi. hieu ve cac xuc ban thanh lai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tra ((nang xa) OR (nang x)) hoi. hieu ve cac xuc ban thanh lai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tra ((nang xa) OR (nang x)) hoi. hieu ve cac xuc ban thanh lai ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: su sach tra ((nang xa) OR (nang x)) hoi. hieu ve cac xuc ban thanh lai ((cua tre) or (cuu tre))*.