Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi su can snippets" » "doi su code snippets", "oi su can snippets", "don su can snippets", "voi su can snippets", "doi su van snippets", "doi su cao snippets", "doi su han snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doi su can 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 su can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi su can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi su can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.