Perhaps you should try some spelling variations:
"coder documentation _ decoding program" » "model documentation _ decoding program" (Expand search), "car documentation _ decoding program" (Expand search), "care documentation _ decoding program" (Expand search), "coder documentation _ welcoming program" (Expand search), "coder documentation _ deworming program" (Expand search), "coder documentation _ feeding program" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 _ decoding program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder documentation _ decoding program\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder documentation _ decoding program ) OR ( on python python python programming ))*.