Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doan tu trac slippers" » "doan thu trac slippers", "dan tu trac slippers", "toan tu trac slippers", "doan tu truc slippers", "doan ty trach slippers", "doan tap trac slippers", "doan tu trac slippery", "doan tu trac 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: (((("doan tu trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan tu trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan tu trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan tu trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.