Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
thanh hai » thanh phan, thanh hoa, thanh san
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
ke phan » ve phan, kenh phan, ke thang
hieu ke » hieu kem, chieu ke, hieu ky
sach tu » sach thu, cach tu, sach ty
hang ma » hang ca, tang ma, nang ma
cuu tre » cua 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: te sach tu ((hang ma) or (hang va)) hoi. hieu ke phan tu va thanh hai ((dung tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu ((hang ma) OR (hang va)) hoi. hieu ke phan tu va thanh hai ((dung tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach tu ((hang ma) or (hang va)) hoi. hieu ke phan tu va thanh hai ((dung tren) or (cuu tre))*.