Perhaps you should try some spelling variations:
"using computation in packing problem" » "using computational in packing problem" (Expand search), "using imputation in packing problem" (Expand search), "using compilation in packing problem" (Expand search), "using computation and packing problem" (Expand search), "using computation of packing problem" (Expand search), "using computation bin packing problem" (Expand search), "using computation in pacing problem" (Expand search), "using computation on packing problem" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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 computation in packing problem\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation in packing problem ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation in packing problem") OR ("using python python python programming"))*.