Perhaps you should try some spelling variations:
communication methods » communication networks, communication network, communications networks
mass communication » risk communication, _ communication, mobile communication
water development » career development, sector development, city development
technologies new » technologies _, technologies a
new information » _ information, energy information, chief information
development aid » development a, development bank, development _
de mass » does mass, ice mass

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies new information _ de mass communication methods water development aid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information _ de mass communication methods water development aid afrique.*.