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