Perhaps you should try some spelling variations:
imitation target » inflation target, sanitation targets, inflation targets
de communication » mobile communication, online communication
from imitation » from immigration, from migration, from aviation
developing en » developing e, developing eq, developing egg
target while » targets whole, target file, targets where
4 developing » 3 developing
while de » while re, while we, while _
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 from imitation target while de communication costs 4 developing en afrique.*.