Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
trade development » software development
technology age » technology usage, technology wages, technology a
development li » development lid, development lie, development lin
election data » selection data, section data, electronic data
perimeter 3.2 » parameters 3.2, perimeter _, parameter 3.1
age election » age selection, pre election, large electron
li afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology age election data perimeter 3.2 communication _ trade development li afrique.*.