Perhaps you should try some spelling variations:
technologies sector » technology sector, technologies series
integration costs » integration post, integration courses, integration crisis
level development » levels development, legal development, uneven development
development lid » development led, development li, development lie
lid afrique » l afrique
costs 4 » costs _, costs a, costs 4.2

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies sector integration costs 4 data communications _ level development lid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sector integration costs 4 data communications _ level development lid afrique.*.