Perhaps you should try some spelling variations:
"coder coding with rectangular pulses" » "coder coding with rectangular pulse" (Expand search), "coder coding with rectangular plates" (Expand search), "coder coding with rectangular patches" (Expand search), "coder coding in rectangular pulses" (Expand search), "coder coding of rectangular pulses" (Expand search), "coder coding with regular pulses" (Expand search), "modern coding with rectangular pulses" (Expand search), "color coding with rectangular pulses" (Expand search), "odor coding with rectangular pulses" (Expand search), "coder loading with rectangular pulses" (Expand search), "coder feeding with rectangular pulses" (Expand search), "coder reading with rectangular pulses" (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 coding with rectangular pulses") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding with rectangular pulses\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding with rectangular pulses ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding with rectangular pulses") OR ("api python python python programming"))*.