Perhaps you should try some spelling variations:
"coder on complexity sampling problems" » "coder on complex sampling problems" (Expand search), "coder on complexity scaling problems" (Expand search), "coder on community sampling problems" (Expand search), "coder on complexity sampling process" (Expand search), "coder on complexity mapping problems" (Expand search), "coder and complexity sampling problems" (Expand search), "coder _ complexity sampling problems" (Expand search), "code on complexity sampling problems" (Expand search), "codes on complexity sampling problems" (Expand search), "powder on complexity sampling problems" (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 on complexity sampling problems") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder on complexity sampling problems\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( coder on complexity sampling problems ) OR ( using coding python python programming ))*.