Perhaps you should try some spelling variations:
28electronic computers » electronics computers, electronic computer, optoelectronic computers
programming language » programming languages
electronic computers » electronic commerce
2f syntax » 2 syntax, f syntax, 2a syntax

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: %((((programming language) OR (program language))s) OR (((programming language) OR (program language)))) %((28electronic computers) OR (electronic computers))%29 %2f syntax%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((programming language) OR (program language))s) or (((programming language) OR (program language)))) %((28electronic computers) or (electronic computers))%29 %2f syntax%22".
• Adding a wildcard symbol may retrieve word variants: %((((programming language) OR (program language))s) or (((programming language) OR (program language)))) %((28electronic computers) or (electronic computers))%29 %2f syntax%22*.