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