Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than duc de snippets" » "tran duc de snippets", "phan duc de snippets", "than doc de snippets", "than tuc de snippets", "than duc dien 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: (((("than duc 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: (((("than duc de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than duc de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than duc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.