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