Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van hac di snippets" » "van hoc di snippets", "van ha di snippets", "van hai di snippets", "van khac di snippets", "van cac di snippets", "van hac de snippets"
"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 hac di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hac di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hac di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hac di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.