Sme others use this method to buy bitcoins
1. Go to the exchange section
2  Now you will exchnage your paypal account if you haveit
3.  Only exchange with Sr. Member accounts above if you must
4.  You must go first if your transacting a Sr. Member+ accounts

Other possible methods first install  coins.ph first to confirm some possible branches that are available im your are so first install sign up go to cash in options then speculate if theres an available options that are availabke in your area  but after you confirm that they have that you must first validate your account to be able to withdraw cash in because they have limits to secure an account