Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam nam chat snippets" » "nam nam nhat snippets", "nam dam chat snippets", "nam lam chat snippets", "nam nhat chat snippets", "pham nam chat snippets", "nam cham chat 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: (((("nam nam chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nam nam chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam nam chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam nam chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.