Q: Bluetooth: Mac can't find phone, but phone can find Mac

Trying to connect my Macbook and phone via Bluetooth. My MacBook can't find my phone, but my phone can find my Macbook. Help!

About my Macbook

10.11.6

MacBook Pro (15-inch, Late 2008)

2.8 GHz Intel Core 2 Duo

8 GB 1067 MHz DDR3

NVIDIA GeForce 9400M 256 MB

W88440MZ1GN

About my phone

Android 5.1

ZTE Z820