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