Perhaps you should try some spelling variations:
"coder coding coverage of proton" » "coder fading coverage of proton" (Expand search), "coder funding coverage of proton" (Expand search), "coder code coverage of proton" (Expand search), "modern coding coverage of proton" (Expand search), "color coding coverage of proton" (Expand search), "odor coding coverage of proton" (Expand search), "coder coding coverage of protein" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding coverage of proton\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding coverage of proton ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding coverage of proton") OR ("api python python python programming"))*.