Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat khanh lo snippets" » "van khanh lo snippets", "duy khanh lo snippets", "dat khanh ly snippets", "dat khanh hoa snippets", "dat thanh loi 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: (((("dat khanh lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat khanh lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat khanh lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat khanh lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.