Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
guided information » guide information, added information, coded information
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technology guided » technology guides, technology gender, technology video
ch development » tech development, 2 development, 3 development
development en » developpement en, development menu, development eco
information a » information age, information about
fact 3.1 » act 3.1, fact 3.4, facts 3.2
costs ch » costs cash, costs chap, costs _
a fact » _ fact, a fast, a factor

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

• Adding a wildcard symbol may retrieve word variants: technology guided information a fact 3.1 communications costs ch development en afrique.*.