Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan voi cuoc snippets" » "dan doi cuoc snippets", "dan voi quoc snippets", "dan va cuoc snippets", "dan hoi cuoc snippets", "ban voi cuoc snippets", "da voi cuoc 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 voi cuoc 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 voi cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan voi cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan voi cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.