Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bao luan den snippets" » "bai luan den snippets", "bao quan den snippets", "bao lua den snippets", "bao luan de snippets", "bao luan len 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: (((("bao luan 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: (((("bao luan den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bao luan den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bao luan den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.