Perhaps you should try some spelling variations:
sample communication » example communication, complex communication, people communication
debt developpement » de developpement, et developpement, deux developpements
developpement en » developpement et, developpement des, developpement de
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
information 2 » information 3
areas sample » das sample, des sample, items sample
2 areas » 1 areas, 2 areal, 4 areas
a debt » a debate

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

• Adding a wildcard symbol may retrieve word variants: technology can information 2 areas sample communication a debt developpement en afrique.*.