Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuc cung cac snippets" » "thuc cung cac snippets", "tuc dung cac snippets", "tu cung cac snippets", "tuc cuong cac snippets", "tuc cung cap 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: (((("tuc cung 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: (((("tuc cung cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuc cung cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc cung cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.