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