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