Please provide the best answer for each question.
Putting quotation marks around words is called a phrase search and will produce results that contain the phrase in the exact order in which you typed it.
Explanation
For Full-text books, try NetLibrary database; for St Pete Times, try Newsbank database; for educational videos, try FMG on Demand database.
Ball* is a truncated search and will produce results with various stems/suffixes that follow the original search term/prefix.