Perhaps you should try some spelling variations:
"coder documentation of string problem" » "model documentation of string problem" (Expand search), "car documentation of string problem" (Expand search), "care documentation of string problem" (Expand search), "coder documentation and string problem" (Expand search), "coder documentation of sizing problem" (Expand search), "coder documentation of rostering problem" (Expand search), "coder documentation of sharing problems" (Expand search), "coder documentation of strong problem" (Expand search), "coder documentation of strains problem" (Expand search), "coder documentation of strain problem" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code 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 documentation of string problem\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder documentation of string problem ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder documentation of string problem") OR ("python coding python python programming"))*.