Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies annex » technologies new, technologies any, technologies affect
annex information » asset information, change information, career information
asian development » human development, urban development, clean development
development event » development recent, development revenue, development egypt
information age » information gaps, information laws, information _

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• Performing a fuzzy search may retrieve terms with similar spellings: technologies annex information age de _ communication costs asian development event afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies annex information age de _ communication costs asian development event afrique.*.