Perhaps you should try some spelling variations:
"coder coding _ existing functions" » "coder coding _ existing actions" (Expand search), "coder coding _ testing functions" (Expand search), "coder coding _ writing functions" (Expand search), "modern coding _ existing functions" (Expand search), "color coding _ existing functions" (Expand search), "odor coding _ existing functions" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes 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 coding _ existing functions\") OR (\"api pitons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding _ existing functions ) OR ( api pitons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ existing functions") OR ("api pitons python python programming"))*.