Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam thuoc cu snippets" » "nam thuc cu snippets", "nam thu cu snippets", "nha thuoc cu snippets", "nam thuoc cuc snippets", "nam thuoc co snippets", "nam thuoc tu 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 thuoc cu 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 thuoc cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam thuoc cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam thuoc cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.