Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan van den snippets" » "doan van code snippets", "doan va den snippets", "hoang van den snippets", "luan van den snippets", "doan van de snippets", "doan van der snippets", "doan ban den snippets"
"python using java snippets" » "python using data snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("doan van den snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doan van den snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doan van den snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doan van den snippets"))) or ("locating bug core snippets"))*.