Perhaps you should try some spelling variations:
cat communications » data communications, chad communications, haiti communications
communications et » communication et, communications pt, communications en
la developpement » le developpement, de developpement, et developpement
developpement en » developpement et, developpement des, developpement de
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
m does » 4 does, 1 does, 3 does
2 does » 4 does

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typology der variation ((m does) OR (2 does)) cat communications et la developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology der variation ((m does) OR (2 does)) cat communications et la developpement en afrique.*.