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