Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"von thi trac snippets" » "von thi tran snippets", "von thi tac snippets", "von thi trang snippets", "von tai trac snippets", "vo thi trac snippets", "van thi trac snippets", "von thi trac slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("von thi trac 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 thi trac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von thi trac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von thi trac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.