Here are some responses to your reference questions:
For the meaning of supercalifragilisticexpialidocious: Unfortunately most reference sources will not have an entry for that nonsensical word from the movie Mary Poppins. It was created as a nonsense word to represent a sound that is pleasant but has no real meaning.
For books on Philippines events in 2013: You could search library catalogs or databases for books published in 2013-2014 that cover Philippines current events, politics, or history. Specific titles may include annual almanacs, yearbooks, or newspapers that reported on major events in the Philippines for that year.
For automobile accident statistics: Reference sources like almanacs, statistical handbooks or transportation