Perhaps you should try some spelling variations:
"das software development community practices." » "das software development common practices.", "das software development communication practices.", "das software development communicative practices.", "dal software development community practices.", "desk software development community practices.", "der software development community practices."
"web trade development company problems." » "web trade development impact problems.", "web trade development companies problems.", "web trade development company profiles.", "web trade development complex problems.", "web made development company problems."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("das software development community practices.") or ("web trade development company problems."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("das software development community practices.") OR ("web trade development company problems.")).
• Removing quotes may allow a broader search: (( das software development community practices. ) or ( web trade development company problems. )).
• Adding a wildcard symbol may retrieve word variants: (("das software development community practices.") or ("web trade development company problems."))*.