Perhaps you should try some spelling variations:
"do ung va snippets" » "do luong va snippets", "do trung va snippets", "do quang va snippets", "do dung va snippets", "do vung va snippets", "do cung va snippets", "do ung 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: (((("do ung va snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do ung va snippets") OR ("using low java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( do ung va snippets ) or ( using low java snippets ))) or ( locating bug code snippets ))*.