Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung co vai slippers" » "dung cho vai slippers", "dung cong vai slippers", "dung cua vai slippers", "dung co dai slippers", "dung co va slippers", "dung co gai slippers", "dung co vai slippery", "dung co vai grippers"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung co vai slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung co vai slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung co vai slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co vai slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.