Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat hieu luc slippers" » "dao hieu luc slippers", "dat tieu luc slippers", "rat nhieu luc slippers", "dat hieu luat slippers", "dat hieu qua slippers", "dat hieu luc slippery", "dat hieu luc grippers"
"locating bug code snippets" » "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: (((("dat hieu luc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat hieu luc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat hieu luc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat hieu luc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.