Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc la con snippets" » "duc lai con snippets", "duc lam con snippets", "duc lan con snippets", "duc la don snippets", "duc va con snippets", "duc ga con 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 la con 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 la con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc la con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc la con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.