Perhaps you should try some spelling variations:
technologies from » technology from, technologies co, technologies art
der communication » de communication, under communication, debt communication
informal classes » information classes, informal channels, informal caucuses
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing e » developing _, developing a, developing east
classes des » classes de, classe de, classes et
costs 4.4 » costs 4.2
des der » des dr, des ddr, des dem
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies from informal classes des der communication costs 4.4 developing e areas.*.