Perhaps you should try some spelling variations:
"based compilation using clustering problem" » "based compilation using covering problem" (Expand search), "based combination using clustering problem" (Expand search), "based computation using clustering problem" (Expand search), "based compensation using clustering problem" (Expand search), "based completion using clustering problem" (Expand search), "based compilation and clustering problem" (Expand search), "based compilation 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: (("based compilation using clustering problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based compilation using clustering problem\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( based compilation using clustering problem ) OR ( using coding python python programming ))*.