Perhaps you should try some spelling variations:
"coder coding feeding frequency scanning" » "coder coding feeding frequency scaling" (Expand search), "coder coding feeding frequency planning" (Expand search), "coder coding feeding frequency sounding" (Expand search), "coder going feeding frequency scanning" (Expand search), "coder grouding feeding frequency scanning" (Expand search), "coder feeding feeding frequency scanning" (Expand search), "modern coding feeding frequency scanning" (Expand search), "color coding feeding frequency scanning" (Expand search), "odor coding feeding frequency scanning" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding feeding frequency scanning") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding feeding frequency scanning\") OR (\"api pitons python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding feeding frequency scanning ) OR ( api pitons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding feeding frequency scanning") OR ("api pitons python python programming"))*.