Perhaps you should try some spelling variations:
development manuel » developpement manuel, development model, development master
child development » world development
technologies ist » technologien ist, technologies ict, technologies iot
ist information » iot information, first information, cost information
costs child » costs china
de mass » de masse, de mais, de masa

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies ist information _ de mass communication costs child development manuel afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies ist information _ de mass communication costs child development manuel afrique.*.