Perhaps you should try some spelling variations:
"coder documentation and visual programming" » "model documentation and visual programming" (Expand search), "car documentation and visual programming" (Expand search), "care documentation and visual programming" (Expand search), "coder documentation and fetal programming" (Expand search)
"python c python python programming" » "python c pythons python programming" (Expand search), "python c piton python programming" (Expand search), "python c pitons python programming" (Expand search), "python _ python python programming" (Expand search), "python of python python programming" (Expand search), "python in 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 documentation and visual programming\") OR (\"python c python python programming\"))~".
• Removing quotes may allow a broader search: (( coder documentation and visual programming ) OR ( python c python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder documentation and visual programming") OR ("python c python python programming"))*.