Perhaps you should try some spelling variations:
integration environment » integration environmental, interaction environment, integrated environment
environment programming » environment programme, environment program, development programming
functions concepts » function concepts, foundations concepts, functioning concepts
relations concepts » related concepts, relations congresses, foundations concepts

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: integration environment programming ((functions concepts) OR (relations concepts)) critiques~.
• Adding a wildcard symbol may retrieve word variants: integration environment programming ((functions concepts) or (relations concepts)) critiques*.