Perhaps you should try some spelling variations:
"coder mapping employing multi diffraction" » "coder mapping exploiting multi diffraction" (Expand search), "coder sampling employing multi diffraction" (Expand search), "coder mapping emerging multi diffraction" (Expand search), "coder mapping employing multiple diffraction" (Expand search), "coder mapping employing multi direction" (Expand search), "coder mapping employing multi attraction" (Expand search), "cover mapping employing multi diffraction" (Expand search), "code mapping employing multi diffraction" (Expand search), "border mapping employing multi diffraction" (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 mapping employing multi diffraction") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder mapping employing multi diffraction\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder mapping employing multi diffraction ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder mapping employing multi diffraction") OR ("api python python python programming"))*.