Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developing l2 » developing _, developing a, developing e
technology 2 » technology _, technology 1, technology 3
rate secrets » trade secrets, brain secrets, any secrets
4 developing » 3 developing
2 inflation » 12 inflation, _ inflation, 6 inflation
secrets de » secrets do, secrets _, secrets 14
l2 afrique » l afrique, en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2 inflation rate secrets de communication costs 4 developing l2 afrique.*.