Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam con chi snippets" » "nam chon chi snippets", "nam co chi snippets", "nam hon chi snippets", "nam con chim snippets", "nam cong chi snippets", "nam can chi 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 con chi 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 con chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam con chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam con chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.