Perhaps you should try some spelling variations:
"coder coding experiment _ programming" » "coder coding experiments _ programming" (Expand search), "coder cooking experiment _ programming" (Expand search), "coder caging experiment _ programming" (Expand search), "modern coding experiment _ programming" (Expand search), "color coding experiment _ programming" (Expand search), "odor coding experiment _ programming" (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 experiment _ programming\") OR (\"api pitons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding experiment _ programming ) OR ( api pitons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding experiment _ programming") OR ("api pitons python python programming"))*.