Perhaps you should try some spelling variations:
"coder using spatial frequency coding" » "coder using optical frequency coding" (Expand search), "coder using natural frequency coding" (Expand search), "coder using spatial frequency encoding" (Expand search), "coder using spatial frequency coupling" (Expand search), "coder using spatial frequency sounding" (Expand search), "coder using social frequency coding" (Expand search), "coders using spatial frequency coding" (Expand search), "cover using spatial frequency coding" (Expand search), "code using spatial frequency coding" (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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder using spatial frequency coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using spatial frequency coding\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder using spatial frequency coding ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using spatial frequency coding") OR ("api python python python programming"))*.