Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van hoe tu slippers" » "van hoa tu slippers", "van hoc tu slippers", "van hieu tu slippers", "van hoi tu slippers", "van hop tu slippers", "van hoe tu slippery", "van hoe 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: (((("van hoe 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: (((("van hoe tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hoe tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hoe tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.