Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ninh muc cac snippets" » "ninh duc cac snippets", "trinh muc cac snippets", "danh muc cac snippets", "ninh tuc cac snippets", "ninh duoc 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: (((("ninh muc 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: (((("ninh muc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ninh muc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ninh muc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.