Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
notation computer » notation chapter, information computer, mitigation computer
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
technology der » technology does, technology 4ir, technology dlt
computer paper » computer power, computer chapter, computer expert
der notation » der rotation, der nation, ket notation
paper 4 » paper _, paper i, paper 1

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

• Adding a wildcard symbol may retrieve word variants: technology der notation computer paper 4 communication _ leur developpement en afrique.*.