Perhaps you should try some spelling variations:
dam developpement » de developpement, du developpement, au developpement
communications pt » communication pt, communications _, communications a
developpement en » developpement et, developpement des, developpement de
typologie auf » typologie am, typologie fur, typologie zaku
auf variation » a variation, lsf variation, about variation
variation 6 » variation _, variations _, variation des
timss data » time data
6 timss » _ timss, 5 timss, a timss

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

• Adding a wildcard symbol may retrieve word variants: typologie auf variation 6 timss data communications pt dam developpement en afrique.*.