Perhaps you should try some spelling variations:
oral communication » personal communication
water development » career development, sector development
can information » von information, von informationen
development can » development case, development co, development canada
technology can » technology change, technology 1, technology 2.2
costs water » costs matter, costs peter, costs chapter
can africa » urban africa
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology can information _ de oral communication costs water development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technology can information _ de oral communication costs water development can africa.*.