Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu ton cac snippets" » "tu trong cac snippets", "tu thong cac snippets", "tu tong cuc snippets", "tu tong cac snippets", "tu tin cac snippets", "tu tot cac 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: (((("tu ton cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu ton cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu ton cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu ton cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.