Perhaps you should try some spelling variations:
person communication » personal communication, personal communications, irsn communication
technologies trade » technology trade, technologies case, technologies table
trade information » price information, private information, trade integration
information 17.2 » information 1.2, information 15.2, information 11.2
zu developpement » du developpement, au developpement, ou developpement
communication 2 » communication _, communication a, communication 3
des afrique » en afrique, de l'afrique
der person » per person, der personen, older persons
17.2 der » 7.2 der, 17.2 bir, 17.2 do
2 zu » 2 zur, 2 zum

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

• Adding a wildcard symbol may retrieve word variants: technologies trade information 17.2 der person communication 2 zu developpement des afrique.*.