Perhaps you should try some spelling variations:
"cong trieu data slippers" » "cong trieu dai slippers", "cong lieu data slippers", "dong trieu data slippers", "uong trieu data slippers", "hoang trieu data slippers", "cong trieu data slippery", "cong trieu data grippers"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "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: (((("dung java java snippets") or ("cong trieu data slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cong trieu data slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong trieu data slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong trieu data slippers"))) or ("locating bug code snippets"))*.