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