Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
technologies box » technologies co, technologies bit, technologies _
donation chapter » nation chapter, notation chapter, foundation chapter
le developpement » de developpement, sme development
box donation » tax donation, blood donation, shoe donation
5.2 downward » 5.4 downward, 2.5 downward, 14.7 downward
chapter 5.2 » chapter 2.2, chapter 3.2, chapter 1.2
des afrique » en afrique, de l'afrique
a le » a les, a la, a l

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies box donation chapter 5.2 downward communication a le developpement des afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies box donation chapter 5.2 downward communication a le developpement des afrique.*.