Perhaps you should try some spelling variations:
"coder vaccination coverage in program" » "moderna vaccination coverage in program" (Expand search), "zoster vaccination coverage in program" (Expand search), "cancer vaccination coverage in program" (Expand search), "coder vaccination coverage of program" (Expand search), "coder vaccination coverage in programs" (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 vaccination coverage in program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder vaccination coverage in program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder vaccination coverage in program") OR ("api python python python programming"))*.