Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cua ao snippets" » "hoi cua ao snippets", "dai cua ao snippets", "dong cua ao snippets", "doi cua dao snippets", "doi cua lao snippets", "doi cua tao 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 cua ao 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 cua ao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cua ao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cua ao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.