Perhaps you should try some spelling variations:
"b resource development complex problems." » "b resource developments complexes problems.", "b resource development computer problems.", "b resource development company problems.", "b resource development complex projects.", "b resources development complex problems.", "a resource development complex problems.", "3 resource development complex problems."
"web sme developing countries programs." » "web sme developing countries program.", "web sme developing country programs.", "web sme developing countries problems.", "web some developing countries programs.", "web size developing countries programs.", "web use developing countries programs.", "web site developing countries programs."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"b resource development complex problems.\") OR (\"web sme developing countries programs.\"))~".
• Removing quotes may allow a broader search: (( b resource development complex problems. ) OR ( web sme developing countries programs. ))~.
• Adding a wildcard symbol may retrieve word variants: (("b resource development complex problems.") OR ("web sme developing countries programs."))*.