Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi de cao snippets" » "doi deu cao snippets", "dai de cao snippets", "moi de cao snippets", "doi de dao snippets", "doi de co snippets", "doi do cao 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: (((("doi de cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi de cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi de cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi de cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.