Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi doi cua snippets" » "doi doi code snippets", "doi voi cua snippets", "doi moi cua snippets", "voi doi cua snippets", "doi hoi cua snippets", "doi dai cua snippets", "doi dong cua 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 doi cua 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 doi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi doi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi doi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.