Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
technologies pay » technologies part, technologies past, technologies a
pay information » party information, key information, ary information
development en » developpement en, development menu, development eco
debt mass » debt cash, debt has, debt main

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies pay information flows debt mass communication models _ development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies pay information flows debt mass communication models _ development en afrique.*.