Perhaps you should try some spelling variations:
information source » information sources, information resource, information resources
land developpement » land development, le developpement, au developpement
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
systems land » systems life
source time » resource time, source title, source tree
l afrique » en afrique
time 4 » time _, time a, time 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information source time 4 communication systems land developpement l afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information source time 4 communication systems land developpement l afrique.*.