Perhaps you should try some spelling variations:
"coder documentation in cad programming" » "model documentation in cad programming" (Expand search), "car documentation in cad programming" (Expand search), "care documentation in cad programming" (Expand search), "coder documentation and cad programming" (Expand search), "coder documentation of cad programming" (Expand search), "coder documentation in scada programming" (Expand search), "coder documentation in cpld programming" (Expand search), "coder documentation in and programming" (Expand search)
"python based python python programming" » "python based pythons python programming" (Expand search), "python based piton python programming" (Expand search), "python based pitons python programming" (Expand search), "action based python python programming" (Expand search), "python based path python programming" (Expand search), "python and python python programming" (Expand search), "python gate 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 documentation in cad programming") OR ("python based python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder documentation in cad programming\") OR (\"python based python python programming\"))".
• Removing quotes may allow a broader search: (( coder documentation in cad programming ) OR ( python based python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder documentation in cad programming") OR ("python based python python programming"))*.