Perhaps you should try some spelling variations:
computer programmers » computer programs, computer programming, computers programming
python computer » methods computer
sobre eficacia » sobre eficiencia, sobre democracia
eficacia entre » eficacia en, democracia entre
entre python » entre platon, entre potros

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

• Performing a fuzzy search may retrieve terms with similar spellings: sobre eficacia entre python computer programmers~.
• Adding a wildcard symbol may retrieve word variants: sobre eficacia entre python computer programmers*.