I recommend the following:
1- Say “Ya Razzaq” يا رزاق 360 times a day
2- After the morning prayer put your hand on your heart and say “Ya Fatta7” يا فتاح 70 times
3- Read this Du’a daily:
https://www.duas.org/Amn.htm
4- Also this:
http://www.duas.org/rizq.htm
May Allah bless you and facilitate matters for you.