Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
china africa » cpia africa, china asia
policy eo » policy eu, policy el, policy eli

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies can information policy eo data communication series _ development china africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies can information policy eo data communication series _ development china africa.*.