Perhaps you should try some spelling variations:
"based optimization in coding problems" » "and optimization in coding problems" (Expand search), "based optimization and coding problems" (Expand search), "based optimization _ coding problems" (Expand search), "based optimization in loading problems" (Expand search), "based optimization in counting problems" (Expand search), "based optimization in covering problems" (Expand search), "based optimization in decoding problems" (Expand search), "based optimization non coding 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: (("based optimization in coding problems") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based optimization in coding problems\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( based optimization in coding problems ) OR ( using coding python python programming ))*.