Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"manh tu can snippets" » "anh tu can snippets", "danh tu can snippets", "hanh tu can snippets", "manh tu ban snippets", "manh tu cac snippets", "manh 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: (((("manh 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: (((("manh tu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( manh tu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh tu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.