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