Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men minh hon snippets" » "men sinh hon snippets", "lien minh hon snippets", "tien minh hon snippets", "men minh hoa snippets", "men minh son snippets", "men manh hon 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 minh hon 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 minh hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men minh hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men minh hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.