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