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