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