Perhaps you should try some spelling variations:
during introduction » dumping introduction, doing introduction, cutting introduction
introduction social » introduction section, introduction setting
technology during » technologies during, technology auditing, technology learning
de communication » mobile communication, online communication
la developpement » le developpement, de developpement, et developpement
developpement en » developpement et, developpement des, developpement de
social gan » social gain, social gains, social gaps
en africa » em africa, eu africa, en america
gan de » van de, aan de, jan de

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

• Adding a wildcard symbol may retrieve word variants: technology during introduction social gan de communication a la developpement en africa.*.