Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc ho lo snippets" » "duc hoa lo snippets", "duc tho lo snippets", "duc hoc lo snippets", "duc ho so snippets", "duc ho le snippets", "duc lo lo 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: (((("duc ho lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc ho lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc ho lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ho lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.