Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi danh tu slippers" » "doi doanh tu slippers", "do danh tu slippers", "doi hanh tu slippers", "doi anh tu slippers", "doi doanh thu slippers", "doi danh tu slippery", "doi danh tu grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 danh tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi danh tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi danh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.