Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tra cho snippets" » "ban tran cho snippets", "ban tre cho snippets", "ban tro cho snippets", "ban trang cho snippets", "ban tra chat snippets", "ban toan 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 tra 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 tra cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tra cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tra cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.