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