Perhaps you should try some spelling variations:
"and computations using loading problem" » "and computation using loading problem" (Expand search), "and populations using loading problem" (Expand search), "and computations in loading problem" (Expand search), "and computational using loading problem" (Expand search), "and competitions using loading problem" (Expand search), "and computations using routing problem" (Expand search), "and computations using planning problem" (Expand search), "and computations using locking problem" (Expand search), "and computations using shading problem" (Expand search), "and computations using coding problem" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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 computations using loading problem") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computations using loading problem\") OR (\"using codigo python python programming\"))".
• Removing quotes may allow a broader search: (( and computations using loading problem ) OR ( using codigo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computations using loading problem") OR ("using codigo python python programming"))*.