Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don dieu con snippets" » "doan dieu con snippets", "dong dieu con snippets", "dan dieu con snippets", "don dieu can snippets", "don diet con snippets", "don dieu co 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: (((("don dieu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don dieu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don dieu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don dieu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.