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