Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam do chuc snippets" » "nam don chuc snippets", "nam do thuc snippets", "nam da chuc snippets", "nam dao chuc snippets", "nam doi chuc snippets", "nam bo chuc 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 do chuc 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 do chuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam do chuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam do chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.