Perhaps you should try some spelling variations:
"developing recognition using clustering problem" » "development recognition using clustering problem" (Expand search), "developing cognitive using clustering problem" (Expand search), "exploring recognition using clustering problem" (Expand search), "developing recognition using covering problem" (Expand search), "developing recognition and clustering problem" (Expand search), "developing recognition means clustering 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: (("developing recognition using clustering problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"developing recognition using clustering problem\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( developing recognition using clustering problem ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("developing recognition using clustering problem") OR ("using coding python python programming"))*.