Perhaps you should try some spelling variations:
"coder coding string c programming" » "coder coding using c programming" (Expand search), "coder sewing string c programming" (Expand search), "coder comparing string c programming" (Expand search), "coder coding string _ programming" (Expand search), "coder coding string cone programming" (Expand search), "coder coding string and programming" (Expand search), "modern coding string c programming" (Expand search), "color coding string c programming" (Expand search), "odor coding string c programming" (Expand search), "coder coding string in programming" (Expand search), "coder coding string of programming" (Expand search)
"python _ python python programming" » "python _ pythons python programming" (Expand search), "python _ piton python programming" (Expand search), "python _ pitons 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 coding string c programming") OR ("python _ python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding string c programming\") OR (\"python _ python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding string c programming ) OR ( python _ python python programming ))*.