Perhaps you should try some spelling variations:
technologies series » technology series
series formulation » series information, means formulation, re formulation
communication r » communication 3, communication 1, communication 2
de development » e development, ce development, de developpement
formulation 3 » formulation _, formulations _, formulating _
1 afrique » l afrique, en afrique, 1 enrique
3 does » 13 does, 2 does, 4 does
r de » r des, r die, r d

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

• Adding a wildcard symbol may retrieve word variants: technologies series formulation 3 does _ communication r de development 1 afrique.*.