Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh tap hoa snippets" » "han tap hoa snippets", "hanh tai hoa snippets", "hanh cap hoa snippets", "hanh tap hop snippets", "hanh tap doan snippets", "hanh tap toan 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: (((("hanh tap hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh tap hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tap hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tap hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.