Perhaps you should try some spelling variations:
sanitation activities » sanitation facilities, sanitation utilities, education activities
trough sanitation » through initiation, total sanitation, trough estimation
later development » later developments, water development, late development
activities later » activities water, activities after, activities chapter
development part » development path, development pt, development plans
creation from » creation how, creation program, creation problem
part africa » art africa, east africa, care africa
his trough » his thought
from his » from high

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

• Adding a wildcard symbol may retrieve word variants: technology _ creation from his trough sanitation activities later development part africa.*.