Perhaps you should try some spelling variations:
engine technologies » engine technology, edge technologies, changing technologies
code technologies » core technologies, node technologies, coine technologies
la didactic » la didactica, a didactic, la didattica

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: media ((engine technologies) OR (code technologies)) de la didactic.
• Adding a wildcard symbol may retrieve word variants: media ((engine technologies) or (code technologies)) de la didactic*.