Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
technologies trade » technologies create, technology trade, technologies reduce
trade information » price information, private information, credit information
index development » hinder development, india development, gender development
development a » development _, development bank, development banks
de mobile » does mobile, _ mobile, a mobile

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies trade information _ de mobile communication skills index development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies trade information _ de mobile communication skills index development a afrique.*.