Perhaps you should try some spelling variations:
communication cross » communication costs
united development » limited development, site development, uneven development
development can » development case, development co, development canada
information pt » information part, information 1, information 1.2
cross united » class united, dress united, process united
can africa » urban africa
2 14 » 12 14, 2 4, _ 14

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies _ information pt ((2 14) OR (2 1)) communication cross united development can africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ information pt ((2 14) OR (2 1)) communication cross united development can africa.*.