Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"vu luong code snippets" » "vu luong cong snippets", "vu luong che snippets", "vi luong code snippets", "cu luong code snippets", "vu duong code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code 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: (((("using java java snippets") OR ("vu luong code snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vu luong code snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vu luong code snippets"))) or ("locating bug code slippers"))*.