Perhaps you should try some spelling variations:
"using python a snippets" » "think python a snippets", "using python _ snippets", "using python 3 snippets", "using python a slippers"
"dung java java grippers" » "dung va java grippers", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java grippers") or ("using python a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java grippers") OR ("using python a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java grippers ) or ( using python a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java grippers") or ("using python a snippets"))) or ("locating bug code snippets"))*.