Perhaps you should try some spelling variations:
information centers » information contents, information officers
weak communication » work communication, risk communication, de communication
communication cost » communication costs, communication costa, communications costs
developing asia » development asia, developing a
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
asia africa » cpia africa, china africa
centers do » centers _, cancers do, centers 10
cost 3.2 » cost 2.4
do weak » go weak, does weak, did weak

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

• Adding a wildcard symbol may retrieve word variants: technologie de information centers do weak communication cost 3.2 developing asia africa.*.