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 van luc snippets" » "dang van luc snippets", "doan van luc snippets", "dao van luc snippets", "dan van loc snippets", "dan van duc snippets", "dan van lu 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 van luc snippets") OR ("python using java snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( dan van luc snippets ) or ( python using java snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan van luc snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.