Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat cua den snippets" » "nhat cua den snippets", "chat cua den snippets", "phat cua den snippets", "hat cua dan snippets", "hat cua nen snippets", "hat cua dang 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: (((("hat cua 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: (((("hat cua den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat cua den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat cua den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.