Perhaps you should try some spelling variations:
"and computation in loading problem" » "and computational in loading problem" (Expand search), "of computation in loading problem" (Expand search), "and computation in routing problem" (Expand search), "and computation in planning problem" (Expand search), "and computation and loading problem" (Expand search), "and computation of loading problem" (Expand search), "and imputation in loading problem" (Expand search), "and computation in leading problem" (Expand search), "and computation ii loading problem" (Expand search), "and computation i loading 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: "((\"and computation in loading problem\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( and computation in loading problem ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation in loading problem") OR ("using python python python programming"))*.