Perhaps you should try some spelling variations:
"coder coder using randomized experiment" » "coder coder blind randomized experiment" (Expand search), "coder coder in randomized experiment" (Expand search), "coder coder pain randomized experiment" (Expand search), "coder decoder using randomized experiment" (Expand search), "code code using randomized experiment" (Expand search), "decoder codec using randomized experiment" (Expand search), "coder coders using randomized experiment" (Expand search), "coder cover using randomized experiment" (Expand search), "coder code using randomized experiment" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search), "manim python 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 coder using randomized experiment") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using randomized experiment\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using randomized experiment ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using randomized experiment") OR ("api python python python programming"))*.