Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cham dua » chay dua, cham giua, pham duc
toc sach » hoc sach, doc sach, thuoc sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tang ma » mang may, tang van
dua ban » dia ban, cua ban, qua ban
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cua triet, dua tren
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: toc sach ky tang ma hoa. hieu ve cham dua ban ((thanh lai) or (thanh san)) ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky tang ma hoa. hieu ve cham dua ban ((thanh lai) OR (thanh san)) ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky tang ma hoa. hieu ve cham dua ban ((thanh lai) or (thanh san)) ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: toc sach ky tang ma hoa. hieu ve cham dua ban ((thanh lai) or (thanh san)) ((cua tre) OR (cuu tre))*.