Perhaps you should try some spelling variations:
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"viet hung code snippets" » "viet huong code snippets", "viet trung code snippets", "viet bug code snippets"
"locating bug core snippets" » "locating bug code snippets"

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

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