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