Perhaps you should try some spelling variations:
series information » business information
information duties » information studies, information devices, information series
1.6 communications » 10 communications, 11.6 communication, 14 communications
communications a » communications _, communications law, communications media
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
crop 1.6 » crops 1.3, grip 1.6
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology series information duties crop 1.6 communications a de developpement en afrique.*.