Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men dao den snippets" » "men da den snippets", "men dam den snippets", "minh dao den snippets", "men dao dan snippets", "men dan den snippets", "men day 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: (((("men dao 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: (((("men dao den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men dao den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men dao den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.