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