Perhaps you should try some spelling variations:
cell communication » cell communications, oral communication, verbal communication
au developpement » du developpement, de developpement, le developpement
how variation » how valuation, does variation, four variation
des l'afrique » de l'afrique, de l'amerique
typology how » typology from, typology _, typology 4.1
variation de » variation des, variation der, variation due
first cell » first hello, first deal
de first » der first, d first, we first

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

• Adding a wildcard symbol may retrieve word variants: typology how variation de first cell communication _ au developpement des l'afrique.*.