Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban sang cho snippets" » "ban hang cho snippets", "san sang cho snippets", "van sang cho snippets", "ban danh cho snippets", "ban dung cho snippets", "ban sang tao 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 sang 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 sang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban sang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban sang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.