Perhaps you should try some spelling variations:
"coder representation _ sam programming" » "modern representation _ sam programming" (Expand search), "border representation _ sam programming" (Expand search), "under representation _ sam programming" (Expand search), "coder representation _ spm programming" (Expand search), "coder representation _ goal programming" (Expand search), "coder representation _ data programming" (Expand search)
"python coding python python programming" » "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigo python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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 representation _ sam programming\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder representation _ sam programming ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder representation _ sam programming") OR ("python coding python python programming"))*.