Perhaps you should try some spelling variations:
"tran hoang san snippets" » "quan hoang san snippets", "tran quang san snippets", "tranh hang san snippets", "tran hoang van snippets", "tran hoang son snippets", "tran hoang xuan snippets", "tran hoang san slippers"
"dung va java snippets" » "dung java java snippets", "dung va 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: (((("tran hoang san snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hoang san snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( tran hoang san snippets ) or ( dung va java snippets ))) or ( locating bug code snippets ))*.