Perhaps you should try some spelling variations:
"coder coder triangular wave program" » "coder poder triangular wave program" (Expand search), "coder lower triangular wave program" (Expand search), "coder node triangular wave program" (Expand search), "coder coder triangular love program" (Expand search), "coder coder triangular trade program" (Expand search), "coder coder triangular tube program" (Expand search), "coder coder triangular aware program" (Expand search), "coder coder triangular brave program" (Expand search), "coder coder triangular care program" (Expand search), "coder decoder triangular wave program" (Expand search), "code code triangular wave program" (Expand search), "decoder codec triangular wave program" (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 triangular wave program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder triangular wave program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder triangular wave program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder triangular wave program") OR ("api python python python programming"))*.