Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben che hoat snippets" » "ben che khoa snippets", "ben cao hoat snippets", "ben co hoat snippets", "bien che hoat snippets", "ben chen hoat snippets", "ben chi hoat 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: (((("ben che hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben che hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben che hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben che hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.