Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tich ho snippets" » "ban tinh ho snippets", "ban dich ho snippets", "phan tich ho snippets", "ban tich hop snippets", "ban tich pho snippets", "ban tich 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 tich ho 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 tich ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tich ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tich ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.