Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban nuoi can snippets" » "ban nguoi can snippets", "ban noi can snippets", "dan nuoi can snippets", "ban nuoi cay snippets", "ban nuoi con snippets", "ban nguoi cao 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 nuoi can 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 nuoi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban nuoi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban nuoi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.