Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men nam cau snippets" » "mien nam cau snippets", "den nam cau snippets", "men dam cau snippets", "men nam cao snippets", "men nam cac snippets", "men nam ca 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 nam cau 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 nam cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men nam cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men nam cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.