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