Perhaps you should try some spelling variations:
cat communications » data communications, chad communications, haiti communications
developpement il » developpement de, developpement et, developpement du
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
variation im » variation _, variation 6, variation des
il afrique » l afrique, en afrique
does cat » does cash, does city, does a
im does » m does, im doner, jam does
pt l » pt le, pt 2, pt 3
pt 1 » pt 2

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: "typologie de variation im does cat communications ((pt l) OR (pt 1)) developpement il afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variation im does cat communications ((pt l) OR (pt 1)) developpement il afrique.*.