Perhaps you should try some spelling variations:
"coder coverage problem of programming" » "coder covering problem of programming" (Expand search), "coder cover problem of programming" (Expand search), "coder covering problems of programming" (Expand search), "code coverage problem of programming" (Expand search), "cancer coverage problem of programming" (Expand search), "center coverage problem of programming" (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 problem of programming\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coverage problem of programming ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coverage problem of programming") OR ("api python python python programming"))*.