Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban xu cho snippets" » "ban tu cho snippets", "ban su cho snippets", "han xu cho snippets", "ban cu cho snippets", "ban xu co snippets", "ban uu cho 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 xu 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 xu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban xu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban xu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.