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