Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu hoai doc snippets" » "tu hoai duc snippets", "tu hoa doc snippets", "tu bai doc snippets", "thu hoai doc snippets", "thi hoai doc 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: (((("tu hoai doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu hoai doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu hoai doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu hoai doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.