YOU SAID:

My bread doesn't smell nice.

INTO JAPANESE

私のパンはいい匂いがしません。

BACK INTO ENGLISH

My bread doesn't smell good.

INTO JAPANESE

パンの臭いがしません。

BACK INTO ENGLISH

There is no smell of bread.

INTO JAPANESE

パンの臭いはありません。

BACK INTO ENGLISH

There is no smell of bread.