Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
mass communication » risk communication, _ communication, mobile communication
technologies road » technologies could, technologies a, technology road
child development » world development
road information » global information, _ information, debt information
information et » information act, information _, information need
ice mass » ice masses, ice caps

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies road information et ice mass communication costs child development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies road information et ice mass communication costs child development _ afrique.*.