Perhaps you should try some spelling variations:
"and computational using loading problem" » "and computation using loading problem" (Expand search), "and computations using loading problem" (Expand search), "and computacional usinas loading problem" (Expand search), "_ computational using loading problem" (Expand search), "and computational using routing problem" (Expand search), "and computational using planning problem" (Expand search), "and computational using locking problem" (Expand search), "and computational using shading problem" (Expand search), "and computational using holding problem" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 computational using loading problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( and computational using loading problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational using loading problem") OR ("using coding python python programming"))*.