Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan den cap snippets" » "quan den cap snippets", "luan de cap snippets", "luan len cap snippets", "luan den cac snippets", "luan den cam snippets", "luan dien 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: (((("luan den cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan den cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan den cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan den cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.