Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
urban developments » urban development, urban redevelopment, current developments
developments after » development chapter, development center, developments from
4 communication » 3 communication, 5.4 communication, de communication
after approval » after arrival, under approval
technology a » technology 1, technology 3, technology 4
relation 2.2 » relations 2.2, regulation 2.2, relation 1.2.2
a relation » la relation, _ relation, 5 relation
cost urban » most urban, worst urban, bust urban
price 4 » price _, price 3, price a

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

• Adding a wildcard symbol may retrieve word variants: technology a relation 2.2 price 4 communication cost urban developments after approval.*.