Perhaps you should try some spelling variations:
"cong dang phi slippers" » "cong dong phi slippers", "cong dan phi slippers", "cong dung phi slippers", "cong dang thi slippers", "cong lang phi slippers", "cong dang khoi slippers", "cong dang phi slippery", "cong dang phi 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"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong dang phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong dang phi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dang phi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dang phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.