Perhaps you should try some spelling variations:
"van hung va snippets" » "van dung va snippets", "manh hung va snippets", "van duong va snippets", "van huong va snippets", "van hung van snippets", "van hang va snippets", "van hung 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 ("van hung 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 ("van hung va snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using low java snippets ) or ( van hung va snippets ))) or ( locating bug code snippets ))*.