Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dua mo cac snippets" » "dua moi cac snippets", "duc mo cac snippets", "da mo cac snippets", "dua o cac snippets", "dua co cac snippets", "dua do cac 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: (((("dua mo 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: (((("dua mo cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dua mo cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dua mo cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.