Perhaps you should try some spelling variations:
"coder coder pulsed sequencing problem" » "coder coder based sequencing problem" (Expand search), "coder coder pulse sequence problem" (Expand search), "coder coder pulse sequences problem" (Expand search), "coder under pulse sequencing problem" (Expand search), "coder super pulsed sequencing problem" (Expand search), "coder codes used sequencing problem" (Expand search), "coder decoder pulsed sequencing problem" (Expand search), "code code pulsed sequencing problem" (Expand search), "decoder codec pulsed sequencing problem" (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 pulsed sequencing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder pulsed sequencing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder pulsed sequencing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder pulsed sequencing problem") OR ("api python python python programming"))*.