Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung viet code snippets" » "nang viet code snippets", "cong viet code snippets", "mang viet code snippets", "dung viet co snippets", "dung viet some snippets"
"python using a slippers" » "python using a slippery", "python using a 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: (((("python using a slippers") or ("dung viet code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a slippers") OR ("dung viet code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( python using a slippers ) or ( dung viet code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using a slippers") or ("dung viet code snippets"))) or ("locating bugs code snippets"))*.