Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tuc de snippets" » "ban tu de snippets", "ban tum de snippets", "ban thuoc de snippets", "ban tuc le snippets", "ban tac de snippets", "ban 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: (((("ban 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: (((("ban tuc de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tuc de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tuc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.