Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban nhan xe snippets" » "ban than xe snippets", "van nhan xe snippets", "ban thanh xe snippets", "ban nhan xu snippets", "ban nha xe snippets", "ban nhan ve 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 nhan xe 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 nhan xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban nhan xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban nhan xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.