Perhaps you should try some spelling variations:
"and computational coder allocation problem" » "and computational code allocation problem" (Expand search), "and computational codes allocation problem" (Expand search), "and computational model allocation problem" (Expand search), "and computational coder location problem" (Expand search), "_ computational coder allocation problem" (Expand search), "and computational power allocation problem" (Expand search), "and computational order allocation problem" (Expand search), "and computational over allocation problem" (Expand search)
"using clustering python python programming" » "using clustering method python programming" (Expand search), "using clustering methods python programming" (Expand search), "using clustering pattern python programming" (Expand search), "and clustering python python programming" (Expand search), "means clustering python python programming" (Expand search), "using clustering pythons python programming" (Expand search), "using clustering piton python programming" (Expand search), "using clustering pitons 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: (("and computational coder allocation problem") OR ("using clustering python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational coder allocation problem\") OR (\"using clustering python python programming\"))*".
• Removing quotes may allow a broader search: (( and computational coder allocation problem ) OR ( using clustering python python programming ))*.