Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam what can snippets" » "nam nhat can snippets", "nam ha can snippets", "nam cham can snippets", "nam hau can snippets", "nam bat can snippets", "nam pham can 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 what can 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 what can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam what can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam what can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.