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