If my 30 day visa expires, can I re apply for an extension w/o going out of Macau . I am from Manila

Roberto, you can choose to extend your stay or go to HK to reenter again. If you plan to extend your stay, you may call (853) 2872 5488 to learn further details. Or you may go to the following place for further consulation.
Address: Immigration Department Office Building, Travessa Um do Cais de Pac On, Taipa, Macao