Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan vu anh snippets" » "doan vu anh snippets", "dan su anh snippets", "dan va anh snippets", "dan vu khanh snippets", "dan vu thanh snippets", "dan vu anh slippers"

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: (((("dan vu anh snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dan vu anh snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan vu anh snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.