Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"voi duong van snippets" » "boi duong van snippets", "soi duong van snippets", "doi duong van snippets", "voi duong va snippets", "voi luong va snippets", "voi dang van snippets", "voi duong 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 java java snippets") or ("voi duong van snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("voi duong van snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( voi duong van snippets ))) or ( locating bug code snippets ))*.