Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh che den snippets" » "han che den snippets", "hanh he den snippets", "hanh nghe den snippets", "hanh chen den snippets", "hanh chet den snippets", "hanh che bien 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: (((("hanh che 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: (((("hanh che den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh che den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh che den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.