Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
thanh lai » thanh hai, thanh loi, thanh tai
te sach » toc sach
dua ban » dia ban, cua ban, qua ban
ve chay » ve chat, de chay, ve cham
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
sang ma » nang ma, sang tao, mang may
cua tre » cua te, cuu tre, cua triet

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 ty ((sang ma) or (tang ma)) hoa. hieu ve chay dua ban ((thanh lai) or (thanh lap)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((sang ma) OR (tang ma)) hoa. hieu ve chay dua ban ((thanh lai) OR (thanh lap)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty ((sang ma) or (tang ma)) hoa. hieu ve chay dua ban ((thanh lai) or (thanh lap)) cua tre*.