Perhaps you should try some spelling variations:
"using complexity user sampling program" » "using complex user sampling program" (Expand search), "using complete user sampling program" (Expand search), "design complexity user sampling program" (Expand search), "using complexity user labeling program" (Expand search), "using complexity user smoking program" (Expand search), "using complexity user jumping program" (Expand search), "using complexity based sampling program" (Expand search), "using complexity un sampling program" (Expand search), "using complexity index sampling program" (Expand search), "using complexity under sampling program" (Expand search), "using complexity over sampling program" (Expand search), "using complexity cluster sampling 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 complexity user sampling program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using complexity user sampling program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using complexity user sampling program") OR ("using coding python python programming"))*.