Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi doan o snippets" » "doi doan code snippets", "doi doanh o snippets", "doi dan o snippets", "voi doanh o snippets", "doi doan do snippets", "doi doan _ snippets", "doi toan o snippets"
"python using java snippets" » "python using data snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi doan o snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( doi doan o snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi doan o snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.