Perhaps you should try some spelling variations:
"coder coding and coverage class" » "coder coding and coverage access" (Expand search), "coder coding and coverage maps" (Expand search), "coder coding and cover class" (Expand search), "modern coding and coverage class" (Expand search), "color coding and coverage class" (Expand search), "odor coding and coverage class" (Expand search), "coder coding rna coverage class" (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 coding and coverage class") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding and coverage class\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding and coverage class ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding and coverage class") OR ("api python python python programming"))*.