how can i find my losted iphone without find my phone?

If Find My Phone wasn't enabled on the phone, you can try Find My. If that doesn't work, you will have to do a manual search for the phone.

See if anything here helps.

Find My - locate offline device   

Find My - locate offline device (2)

Find My - locate offline device (3)

Find My - locate offline device (4)

Head to https://www.icloud.com/ and log in. Then you can use many differently apps one being find my iPhone. Go onto find my iPhone and you will be able to track your iPhone. You can also play a sound on your iPhone to try and located it if you have a vague idea of where it is or you can put it into lost mode which will display a message on your iPhone with your number so if someone finds it they can call you. You will also be able to erase the iPhone which will remove all the data from your iPhone so no one can get your personal data.