Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh che ho snippets" » "han che ho snippets", "hanh he ho snippets", "hanh nghe ho snippets", "hanh che do snippets", "hanh che khoa 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 che ho 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 che ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh che ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh che ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.