Perhaps you should try some spelling variations:
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data java slippers"
"viet hung van snippets" » "viet huong van snippets", "viet trung van snippets", "viet phung van snippets", "viet nhung van snippets", "viet dung van snippets", "viet hung van slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 data java snippets") or ("viet hung van snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data java snippets") OR ("viet hung van snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( viet hung van snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("viet hung van snippets"))) or ("locating bug code snippets"))*.