YOU SAID:
彼女は彼女の指と彼女の親指でダムのようなものを探していた
INTO JAPANESE
彼女は彼女の指と彼女の親指でダムのようなものを探していた
BACK INTO ENGLISH
She was looking for something like a dumb with her finger and her thumb
INTO JAPANESE
彼女は指と親指で物の言えないようなものを探していました
BACK INTO ENGLISH
She was looking for something that couldn't be said with fingers and thumbs
INTO JAPANESE
彼女は指と親指で言えないものを探していました
BACK INTO ENGLISH
She was looking for something she couldn't say with her finger and thumb
INTO JAPANESE
彼女は指と親指で言えないことを探していました
BACK INTO ENGLISH
She was looking for something she couldn't say with her finger and thumb
That didn't even make that much sense in English.