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