Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam do cay snippets" » "nam dao cay snippets", "nam doi cay snippets", "nam bo cay snippets", "nam do cao snippets", "nam do cac 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 do cay 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 do cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam do cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam do cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.