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