Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat van anh slippers" » "dao van anh slippers", "dat va anh slippers", "dam van anh slippers", "dat van thanh slippers", "dat van minh slippers", "dat tuan anh slippers", "dat van anh slippery", "dat van anh 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: (((("dat van anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dat van anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dat van anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.