Perhaps you should try some spelling variations:
communication model » communication media
development social » development series
integrating land » integrating a, integrated land, integrating data
4 integrating » _ integrating
technology 4 » technology _, technology 1, technology 3
social price » social prices, social peace, social practice
model 2 » model 1, model 2.2, model 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integrating land _ mobile communication model 2 development social price.*.