Perhaps you should try some spelling variations:
"and computational in loading problem" » "_ computational in loading problem" (Expand search), "and computational and loading problem" (Expand search), "and computational _ loading problem" (Expand search), "and computational 3d loading problem" (Expand search), "and computational in routing problem" (Expand search), "and computational in planning problem" (Expand search), "and computational in leading problem" (Expand search), "and computational ii loading problem" (Expand search), "and computational i loading problem" (Expand search)
"using coping python python programming" » "using using python python programming" (Expand search), "using codigo python python programming" (Expand search), "using coping pythons python programming" (Expand search), "using coping piton python programming" (Expand search), "using coping pitons python programming" (Expand search), "using coding python python programming" (Expand search), "using coupling python python programming" (Expand search), "nursing coping python 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 in loading problem") OR ("using coping python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational in loading problem\") OR (\"using coping python python programming\"))".
• Removing quotes may allow a broader search: (( and computational in loading problem ) OR ( using coping python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computational in loading problem") OR ("using coping python python programming"))*.