Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doan do de snippets" » "doan o de snippets", "toan do de snippets", "doanh dao de snippets", "doan do ke snippets", "doan bo de snippets", "doan do le 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: (((("doan do de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan do de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan do de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan do de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.