Perhaps you should try some spelling variations:
"nguyen trong va snippets" » "nguyen cong va snippets", "nguyen thanh va snippets", "nguyen quang va snippets", "nguyen trong van snippets", "nguyen trong ca snippets", "nguyen trong cac snippets", "nguyen trong va slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw 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: (((("nguyen trong va snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nguyen trong va snippets") OR ("using raw java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nguyen trong va snippets ) or ( using raw java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nguyen trong va snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))*.