Perhaps you should try some spelling variations:
presentaciones roberto » presentacion roberto, presentacion alberto
computers programming » computer programming, computer programs, computer program
y presentaciones » y representaciones, y presentacion, de representaciones
python computers » python computer, method computer

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: y presentaciones roberto python computers programming~.
• Adding a wildcard symbol may retrieve word variants: y presentaciones roberto python computers programming*.