Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi dan hoi snippets" » "doi dan code snippets", "hoi dan hoi snippets", "doi ban hoi snippets", "doi dau hoi snippets", "doi dan hoc snippets", "doi dai hoi snippets", "doi dang khoi snippets"
"python using java snippets" » "python using 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 dan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi dan hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi dan hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.