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