Finding joy in your life's journey is not the same as finding happiness, although the words are used in the same way.
Happiness depends on external events that are happening all around you. Joy is not dependent on anything except you.
Joy is a gift your creator wants to give you. Its a fruit or product of the holy spirit He is willing to put within you.
What can you do to find more joy?
Do your own personal bible study on the Holy Spirit of God with this free bible study guide:
https://www.ucg.org/bible-study-tools/booklets/the-power-of-the-holy-spirit