Perhaps you should try some spelling variations:
"coder coder duration modulation procel" » "coder coder duration modulation model" (Expand search), "coder coder duration duration procel" (Expand search), "coder coder duration modulating process" (Expand search), "coder power duration modulation procel" (Expand search), "coder order duration modulation procel" (Expand search), "coder longer duration modulation procel" (Expand search), "coder decoder duration modulation procel" (Expand search), "code code duration modulation procel" (Expand search), "decoder codec duration modulation procel" (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 coder duration modulation procel") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder duration modulation procel\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder duration modulation procel ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder duration modulation procel") OR ("api python python python programming"))*.