Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"von te cong snippets" » "von tai cong snippets", "von thi cong snippets", "von thu cong snippets", "van te cong snippets", "von tu cong 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 te cong 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 te cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von te cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.