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