Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi ca hon snippets" » "doi ca code snippets", "doi cua hon snippets", "doi cay hon snippets", "duoi ca hon snippets", "doi cao hon snippets", "doi cay hong 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 ca hon 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 ca hon snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi ca hon snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi ca hon snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.