Perhaps you should try some spelling variations:
"renewable resource development update rate" » "renewable resources development update rate", "renewable sources development update rate", "renewable resource development update rule", "renewable resource development update cote", "renewable resource development update note"
"der software development strategy step" » "adept software development strategy step", "free software development strategy step", "a software development strategy step", "der software development strategy steps", "der software development strategy stop"

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 strategy step") OR ("renewable resource development update rate"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"der software development strategy step\") OR (\"renewable resource development update rate\"))*".
• Removing quotes may allow a broader search: (( der software development strategy step ) OR ( renewable resource development update rate ))*.