Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
3.2 communication » 3 communication, 2.3 communication, de communication
technology tools » technology thesis
tools evaluation » states evaluation, funds evaluation
development lie » development life, development li, development lid
evaluation tax » evaluation team, evaluation task, evaluation table
cost social » costs social, costa social, post social
lie afrique » l afrique
space 3.2 » space 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology tools evaluation tax space 3.2 communication cost social development lie afrique.*.