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