Perhaps you should try some spelling variations:
"coder drying using functional groups" » "coder drying during functional groups" (Expand search), "coder drying using fractional groups" (Expand search), "coder drying using functionalized groups" (Expand search), "powder drying using functional groups" (Expand search), "under drying using functional groups" (Expand search), "coffee drying using functional groups" (Expand search), "coder drying in functional groups" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (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: "((\"coder drying using functional groups\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder drying using functional groups ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder drying using functional groups") OR ("_ python python python programming"))*.