Perhaps you should try some spelling variations:
communications costs » communication costs, communication systems, communication efforts
rate information » trade information, care information, private information
some development » sme development, site development, code development
technology rate » technology trade, technology age, technology role
information et » information act, information _, information need
development co » development _, development a, development case
costs some » cost some

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

• Adding a wildcard symbol may retrieve word variants: technology rate information et de _ communications costs some development co afrique.*.