Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung do cd snippets" » "dung doi cd snippets", "dung co cd snippets", "dung de cd snippets", "dung dh cd snippets", "dung do c snippets", "dung do 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: (((("dung do cd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung do cd snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung do cd snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung do cd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.