Perhaps you should try some spelling variations:
"using complex using subsampling program" » "using complex using sampling program" (Expand search), "using complex and subsampling program" (Expand search), "housing complex using subsampling program" (Expand search), "using computer using subsampling program" (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: "((\"using complex using subsampling program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using complex using subsampling program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using complex using subsampling program") OR ("using coding python python programming"))*.