Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc de cac snippets" » "tuc de cac snippets", "duc dien cac snippets", "duc den cac snippets", "duc ve cac snippets", "duc de cai 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 de cac 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 de cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc de cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc de cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.