Perhaps you should try some spelling variations:
"using computational time clustering problem" » "and computational time clustering problem" (Expand search), "using computational tool clustering problem" (Expand search), "using computational code clustering problem" (Expand search), "using computational tools clustering problem" (Expand search), "using computational time covering problem" (Expand search), "using computational based 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational time clustering problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational time clustering problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational time clustering problem") OR ("using coding python python programming"))*.