Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan tuc de snippets" » "phan thuc de snippets", "phan tu de snippets", "phan duc de snippets", "phan tuc le snippets", "phan tac de snippets", "phan tuc di 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: (((("phan tuc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan tuc de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan tuc de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tuc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.