Perhaps you should try some spelling variations:
"viet truong va snippets" » "viet trung va snippets", "vien truong va snippets", "viet trong va snippets", "viet truong dai snippets", "viet truong cao snippets", "viet truong dao snippets", "viet truong va slippers"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets", "using sat java 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.

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