Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau den chat snippets" » "hau don chat snippets", "hau dinh chat snippets", "hau dung chat snippets", "cau den chat snippets", "thau dien chat snippets", "thai den chat 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: (((("hau den chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hau den chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau den chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau den chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.