Perhaps you should try some spelling variations:
"using estimation algorithm on array" » "using estimation algorithms on array" (Expand search), "using optimization algorithm on array" (Expand search), "using optimization algorithms on array" (Expand search), "sensing estimation algorithm on array" (Expand search), "testing estimation algorithm on array" (Expand search), "rating estimation algorithm on array" (Expand search), "using estimation algorithm in array" (Expand search), "using estimation algorithm of array" (Expand search), "using estimation algorithm and array" (Expand search), "using estimation algorithm an array" (Expand search), "using estimation algorithm dna array" (Expand search), "using estimation algorithm _ 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: (("using estimation algorithm on array") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using estimation algorithm on array\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( using estimation algorithm on array ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using estimation algorithm on array") OR ("using coding python python programming"))*.