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