Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lluan mau do snippets" » "lluan cau do snippets", "lluan dau do snippets", "lluan mau co snippets", "luan mau do 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: (((("lluan mau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lluan mau do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lluan mau do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lluan mau do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.