Perhaps you should try some spelling variations:
communication cities » communication series, communication cote, communication crisis
data communication » data communications
urban development » human development
information 1.2 » information 1.5.2, information 2
europe africa » europe asia
cities urban » city urban
1.2 a » 1.2 _, 2.2 a, 3.2 a

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information 1.2 a data communication cities urban development europe africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.2 a data communication cities urban development europe africa.*.