Perhaps you should try some spelling variations:
"voi cong va snippets" » "noi cong va snippets", "moi cong va snippets", "tai cong va snippets", "voi dong va snippets", "voi cong ha snippets", "voi cong tac snippets", "voi cong va slippers"
"using low java snippets" » "using low 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using low java snippets") or ("voi cong va snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using low java snippets") OR ("voi cong va snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using low java snippets ) or ( voi cong va snippets ))) or ( locating bug code snippets ))*.