Perhaps you should try some spelling variations:
"van luong cong snippets" » "van luong code snippets", "van dung cong snippets", "van trong cong snippets", "van cong cong snippets", "van duong cong snippets", "van cuong cong snippets", "nang luong cong snippets"
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"using java java snippets" » "using data java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java java snippets") or ("van luong cong snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("van luong cong snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van luong cong snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van luong cong snippets"))) or ("locating bug code slippers"))*.