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