Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"von tu chu snippets" » "van tu chu snippets", "mon tu chu snippets", "con tu chu snippets", "von tu chiu snippets", "von tu chung 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: (((("von tu chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("von tu chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von tu chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von tu chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.