Perhaps you should try some spelling variations:
"_ estates development der programm." » "_ estate development der programm.", "_ state development der programm.", "_ estate developments der programm.", "_ estates development under programm.", "_ estates development does programm.", "_ estates development deal programm.", "_ estates development der programme.", "_ estates development dem programm.", "_ estates development des programm."
"web mine developing countries programs." » "web mine developing countries program.", "web mine developing country programs.", "web mine developing countries problems.", "web done developing countries programs.", "web five developing countries programs.", "web life developing countries programs.", "web money developing countries programs.", "webb mike developing countries programs.", "web site developing countries programs."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ estates development der programm.") OR ("web mine developing countries programs."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ estates development der programm.\") OR (\"web mine developing countries programs.\"))".
• Removing quotes may allow a broader search: (( _ estates development der programm. ) OR ( web mine developing countries programs. )).
• Adding a wildcard symbol may retrieve word variants: (("_ estates development der programm.") OR ("web mine developing countries programs."))*.