Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben do cac snippets" » "bien do cac snippets", "benh do cac snippets", "ban do cac snippets", "ben o cac snippets", "ben co cac snippets", "ben do cao 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: (((("ben do cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben do cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben do cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben do cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.