Perhaps you should try some spelling variations:
"thong cau dan slippers" » "thong cac dan slippers", "thong cap dan slippers", "thong tu dan slippers", "thong cau danh slippers", "thong ca dan slippers", "thong cau dan slippery", "thong cau dan 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: (((("thong cau dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong cau dan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong cau dan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong cau dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.