Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data java slippers"
"van hoan van snippets" » "van hoang van snippets", "van hoa van snippets", "van toan van snippets", "van doan van snippets", "van hoan van 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 data java snippets") OR ("van hoan van snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( van hoan van snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("van hoan van snippets"))) or ("locating bugs code snippets"))*.