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