Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong luc tu slippers" » "phong tuc tu slippers", "phong luu tu slippers", "phong luan tu slippers", "phong luc tu slippery", "phong luc 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: (((("phong luc 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: (((("phong luc tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong luc tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong luc tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.