Perhaps you should try some spelling variations:
technologies 2.2.1 » technologies 12.2.1, technologies 1.2.1, technologies 3.2.1
oral communication » personal communication
2.2.1 information » 2.2.3 information, 4.2.1 information, 1.2.1 information
developing basin » developing asia, developing asian, developing based
information sur » informations sur, information super, d'information sur
det oral » mit oral, new oral
sur det » sur des, sur de
area. » areas.

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.2.1 information sur det oral communication costs _ developing basin area.*.