Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi toc cong snippets" » "doi toc code snippets", "doi hoc cong snippets", "doi truoc cong snippets", "doi thuoc cong snippets", "doi tac cong snippets", "doi toi cong snippets", "doi cuoc cong 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 toc cong 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 toc cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi toc cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi toc cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.