Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan thuc da snippets" » "toan hoc da snippets", "dan thuc da snippets", "nhan thuc da snippets", "toan thuc dan snippets", "toan thuc day snippets", "toan thuc dia 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: (((("toan thuc da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan thuc da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan thuc da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan thuc da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.