You can ask them to lengthen your passport submission deadline by sending an email to Canada Embassy in Manila.
Material List
[ ] Application for Visitor Visa (Temporary Resident Visa) Made Outside of Canada (IMM5257) (Opens a new window)
[ ] Travel History: Visa copy, Residence card copy, Student card copy
[ ] Passport
[x] Invitation Letter
[ ] Proof of Means of Financial Support: proof of a student/education loan from a financial institution, a letter from the person or institution providing you with money
[x] Digital photo
[ ] Family Information (IMM5645)