Perhaps you should try some spelling variations:
"coder decoder teaching declarative programming" » "coder decoder teaching reactive programming" (Expand search), "coder decoder teaching comparative programming" (Expand search), "coder decoder teaching collaborative programming" (Expand search), "coder decoder teaching dissertative programming" (Expand search), "coder recorder teaching declarative programming" (Expand search), "coder gender teaching declarative programming" (Expand search), "coder code teaching declarative programming" (Expand search), "encoder decoder teaching 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 decoder teaching declarative programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder teaching declarative programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder teaching declarative programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder teaching declarative programming") OR ("_ python python python programming"))*.