Perhaps you should try some spelling variations:
"and functionality and solving problems" » "and functional and solving problems" (Expand search), "and functionality of solving problems" (Expand search), "and functionality and sowing problems" (Expand search), "and functionality and solvent problems" (Expand search), "and functionality in solving problems" (Expand search)
"advanced age coding using program" » "advanced age coding housing program" (Expand search), "advanced age coding nursing program" (Expand search), "advanced age coding aging program" (Expand search), "advanced stage coding using program" (Expand search), "advanced age loading using program" (Expand search), "advanced age modeling using program" (Expand search), "advanced age drying using program" (Expand search), "advanced image coding using program" (Expand search), "advanced rate coding using program" (Expand search), "advanced rare coding using program" (Expand search)

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: "((\"and functionality and solving problems\") OR (\"advanced age coding using program\"))~".
• Removing quotes may allow a broader search: (( and functionality and solving problems ) OR ( advanced age coding using program ))~.
• Adding a wildcard symbol may retrieve word variants: (("and functionality and solving problems") OR ("advanced age coding using program"))*.