Perhaps you should try some spelling variations:
data communication » data communications
development social » development series
data development » delta development, doha development, data envelopment
variation among » starvation among, formation among, variation von
de variation » der variation, die variation, does variation
social price » social prices, social peace, social practice
typology de » typology _, typology 6, typology a
among nets » among ers, among heis, among jews
nets data » cecs data, des data, eels data

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

• Adding a wildcard symbol may retrieve word variants: typology de variation among nets data communication media data development social price.*.