Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban hoi so snippets" » "ban thoi so snippets", "ban moi so snippets", "dan hoi so snippets", "ban hoi co snippets", "ban hoi o snippets", "ban hai so 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 hoi so 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 hoi so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban hoi so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban hoi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.