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