Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu va do snippets" » "khau va do snippets", "thu va do snippets", "khu vu do snippets", "khu va dao snippets", "khu va doc snippets", "khu va 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: (((("khu va 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: (((("khu va do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu va do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu va do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.