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