Perhaps you should try some spelling variations:
"coder codec efficient computation of" » "coder codec efficiency computation of" (Expand search), "coder codes efficiency computation of" (Expand search), "coder more efficient computation of" (Expand search), "decoder codec efficient computation of" (Expand search), "code code efficient computation of" (Expand search), "decoder codecs efficient computation of" (Expand search), "coder codec efficient computational of" (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 codec efficient computation of") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder codec efficient computation of\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder codec efficient computation of ) OR ( api python python python programming ))*.