Perhaps you should try some spelling variations:
"der software development community practices." » "der software development common practices.", "der software development communication practices.", "der software development communicative practices.", "adept software development community practices.", "free software development community practices.", "a software development community practices."
"3 model developed countries program." » "3 model developing countries program.", "3 model developed country program.", "3 model developed countries problems.", "3 model developed countries priprava.", "3 code developed countries program.", "3 mode developer countries program.", "3 model development countries program."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("der software development community practices.") OR ("3 model developed countries program."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"der software development community practices.\") OR (\"3 model developed countries program.\"))*".
• Removing quotes may allow a broader search: (( der software development community practices. ) OR ( 3 model developed countries program. ))*.