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