Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"dan li viet snippets" » "dan le viet snippets", "dan oi viet snippets", "dan ly viet snippets", "ban li viet snippets", "han li viet snippets", "pan li viet 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: (((("dan li viet snippets") OR ("python using java snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( dan li viet snippets ) or ( python using java snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan li viet snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.