Perhaps you should try some spelling variations:
technologies customer » technologies cutometer, technologies some, technologies chapter
customer information » consumer information
communication model » communication media
information speed » information sheet, information needed, information needs
development en » developpement en, development menu, development eco
speed does » speech does, speed loss
model a » model 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies customer information speed does _ communication model a development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies customer information speed does _ communication model a development en afrique.*.