Perhaps you should try some spelling variations:
"tran hong tac snippets" » "tran hoang tac snippets", "tran hung tac snippets", "tran trong tac snippets", "tran huong tac snippets", "tran cong tac snippets", "tran dong tac snippets", "tran hong tac 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 hong tac 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 hong tac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( tran hong tac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets ))*.