Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan doc cuoc snippets" » "dan doi cuoc snippets", "dan dao cuoc snippets", "dan toc cuoc snippets", "dan hoc cuoc snippets", "dan soc 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 doc 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 doc cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan doc cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan doc cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.