Perhaps you should try some spelling variations:
"coder coverage on string program" » "code coverage on string program" (Expand search), "cancer coverage on string program" (Expand search), "center coverage on string program" (Expand search), "coder coverage on strong program" (Expand search), "coder coverage on spring programa" (Expand search), "coder coverage on sharing program" (Expand search), "coder coverage of string program" (Expand search), "coder coverage in string program" (Expand search), "coder coverage and string program" (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 coverage on string program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coverage on string program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coverage on string program") OR ("api python python python programming"))*.