Perhaps you should try some spelling variations:
"coder solution _ sequential problem" » "coder solution _ sequencing problem" (Expand search), "coder solution _ sequencing problems" (Expand search), "coder solution _ sequential programs" (Expand search), "code solution _ sequential problem" (Expand search), "copper solution _ sequential problem" (Expand search), "powder solution _ sequential problem" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 solution _ sequential problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder solution _ sequential problem\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder solution _ sequential problem ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder solution _ sequential problem") OR ("using coding python python programming"))*.