Perhaps you should try some spelling variations:
"coder function in validation program" » "coder function in valuation program" (Expand search), "coder function in vaccination program" (Expand search), "coder function in calibration program" (Expand search), "modern function in validation program" (Expand search), "power function in validation program" (Expand search), "over function in validation program" (Expand search), "coder function on validation program" (Expand search), "coder function and validation program" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing using 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 function in validation program") OR ("using using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder function in validation program\") OR (\"using using python python programming\"))".
• Removing quotes may allow a broader search: (( coder function in validation program ) OR ( using using python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder function in validation program") OR ("using using python python programming"))*.