Perhaps you should try some spelling variations:
sanitation activities » sanitation facilities, sanitation utilities, education activities
vierte sanitation » site sanitation, oriented sanitation, village sanitation
development urban » development bank, development band, development update
iv innovations » xiv innovations, i innovations, ii innovations
technology iv » technology ii, technology i, technology ict
innovations 5 » innovations _, innovations a, innovations und
activities a » activities _, activities 1, activities 3
der vierte » der vierten, der vier, der werte
5 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technology iv innovations 5 der vierte sanitation activities a development urban areas.*.