Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan ve doc snippets" » "ban ve doc snippets", "dan va doc snippets", "dan viet doc snippets", "dan ve duoc snippets", "dan me doc 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: (((("dan ve doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ve doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan ve doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan ve doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.