Perhaps you should try some spelling variations:
"coal resource development update modes" » "coal resources development update modes", "local resource development update modes", "total resource development update modes", "coal resource development update focus", "coal resource development update cote", "coal 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"

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: (("der software development strategy step") or ("coal resource development update modes"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("der software development strategy step") OR ("coal resource development update modes")).
• Removing quotes may allow a broader search: (( der software development strategy step ) or ( coal resource development update modes )).
• Adding a wildcard symbol may retrieve word variants: (("der software development strategy step") or ("coal resource development update modes"))*.