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