Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh tu can snippets" » "anh tu can snippets", "danh tu can snippets", "hanh tu can snippets", "lanh tu ban snippets", "lanh tu cac snippets", "lanh su can 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: (((("lanh tu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lanh tu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh tu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh tu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.