Perhaps you should try some spelling variations:
1.5 development » 1.3 development, 3.5 development, 1.4 development
technologies 2 » technologies _, technologies 4
efforts 1.5 » effort 1.5, efforts 6.5, effort 10.5
about debt » about dead
debt mass » debt cash, debt has, debt main
1 afrique » l afrique, en afrique, 1 enrique

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information about debt mass communication efforts 1.5 development 1 afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information about debt mass communication efforts 1.5 development 1 afrique.*.