Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc dong mo snippets" » "duoc dong mo snippets", "duc dung mo snippets", "duc cong mo snippets", "duc dong mon snippets", "duc dong co 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 dong mo 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 dong mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc dong mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc dong mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.