Perhaps you should try some spelling variations:
communication states » communication state, communication styles, communication spaces
usage information » age information, use information, wage information
technology usage » technology use, technology age, technology users
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
1 developpement » de developpement, le developpement, et developpement
gap time » gap die, up time
states 1 » states _, states a, states 3
time de » time die, estime de, time done

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

• Adding a wildcard symbol may retrieve word variants: technology usage information gap time de communication states 1 developpement en afrique.*.