Perhaps you should try some spelling variations:
"coder precoder dsp and programming" » "coder precoder dsp _ programming" (Expand search), "coder precoder dsp goal programming" (Expand search), "coder decoder dsp and programming" (Expand search), "coder precoder hp and programming" (Expand search), "coder precoder _ and programming" (Expand search), "coder decoder sp and programming" (Expand search), "coder precoder drsp and programming" (Expand search), "coder precoder dsp1 and programming" (Expand search), "coder precoder sp and programming" (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 precoder dsp and programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder dsp and programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder dsp and programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder dsp and programming") OR ("api python python python programming"))*.