Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban dao cho snippets" » "ban dan cho snippets", "van dao cho snippets", "ban do cho snippets", "ban cao cho snippets", "ban dac cho snippets", "ban dao ho 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: (((("ban dao cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban dao cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban dao cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban dao cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.