Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"vat duong van slippers" » "van duong van slippers", "mat duong van slippers", "va duong van slippers", "vat duong va slippers", "vat luong va slippers", "vat dang van slippers", "vat duong van slippery", "vat duong van grippers"
"locating bug code snippets" » "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.

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