Perhaps you should try some spelling variations:
"coder coder descriptive efficiency of" » "coder coder adsorptive efficiency of" (Expand search), "coder care descriptive efficiency of" (Expand search), "coder or descriptive efficiency of" (Expand search), "coder costs descriptive efficiency of" (Expand search), "coder decoder descriptive efficiency of" (Expand search), "code code descriptive efficiency of" (Expand search), "decoder codec descriptive efficiency 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 coder descriptive efficiency of") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder descriptive efficiency of\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder descriptive efficiency of ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder descriptive efficiency of") OR ("api python python python programming"))*.