Perhaps you should try some spelling variations:
"das software development computer programs." » "das software development chapter programs.", "das software development committee programs.", "das software development companies programs.", "dal software development computer programs.", "desk software development computer programs.", "der software development computer programs.", "das software development computer program."
"web lam developing countries problems." » "web harm developing countries problems.", "web team developing countries problems.", "web dcm developing countries problems."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("das software development computer programs.") OR ("web lam developing countries problems."))~.
• Removing quotes may allow a broader search: (( das software development computer programs. ) or ( web lam developing countries problems. ))~.
• Adding a wildcard symbol may retrieve word variants: (("das software development computer programs.") or ("web lam developing countries problems."))*.