Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi len cong snippets" » "doi len code snippets", "doi den cong snippets", "doi le cong snippets", "doi len con snippets", "doi gen cong snippets", "doi dien cong snippets", "cuoi len 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 len 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 len cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi len cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi len cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.