Perhaps you should try some spelling variations:
22programming languages » 3.2programming languages, programming languages, onprogramming language
28electronics computers » electronics computers, electronic computers, electronic computer
programming language » programming languages, program language
electronics computer » electronic computers, electrical computer
2 syntax » _ syntax, a syntax, 3 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: %((22programming languages) OR (programming language)) %((28electronics computers) OR (electronics computer))%29 %2 syntax%22.
• Adding a wildcard symbol may retrieve word variants: %((22programming languages) or (programming language)) %((28electronics computers) or (electronics computer))%29 %2 syntax%22*.