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