Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban phau con snippets" » "ban phap con snippets", "ban pha con snippets", "benh phau con snippets", "ban phai con snippets", "ban phan cong snippets", "ban pham cong 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 phau con 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 phau con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban phau con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban phau con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.