Perhaps you should try some spelling variations:
"coder formulation and generalized array" » "powder formulation and generalized array" (Expand search), "model formulation and generalized array" (Expand search), "order formulation and generalized array" (Expand search), "coder formulation and generalized arma" (Expand search), "coder formulation and generalized airy" (Expand search), "coder formulation and generalized early" (Expand search), "coder formulation of generalized array" (Expand search), "coder formulation _ generalized array" (Expand search), "coder formulation in generalized array" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder formulation and generalized array") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder formulation and generalized array\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder formulation and generalized array ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder formulation and generalized array") OR ("using coding python python programming"))*.