Perhaps you should try some spelling variations:
"and computational using triangular problem" » "and computation using triangular problem" (Expand search), "and computations using triangular problem" (Expand search), "and computacional usinas triangular problem" (Expand search), "and computational using singular problem" (Expand search), "and computational using triangle problem" (Expand search), "and computational using triangulation problem" (Expand search), "_ computational using triangular problem" (Expand search), "and computational ising triangular problem" (Expand search), "and computational in triangular 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 triangular problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( and computational using triangular problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computational using triangular problem") OR ("using coding python python programming"))*.