Perhaps you should try some spelling variations:
"coder coverage by declarative programming" » "coder coverage by reactive programming" (Expand search), "code coverage by declarative programming" (Expand search), "cancer coverage by declarative programming" (Expand search), "center coverage by declarative programming" (Expand search), "coder coverage of declarative programming" (Expand search), "coder coverage _ declarative programming" (Expand search), "coder coverage in declarative programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 coverage by declarative programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coverage by declarative programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coverage by declarative programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coverage by declarative programming") OR ("_ python python python programming"))*.