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