Perhaps you should try some spelling variations:
"dung cuc trong slippers" » "dung chuc trong slippers", "dung duc trong slippers", "dung luc trong slippers", "dung cua trong slippers", "dung cu trong slippers", "dung cac trong slippers", "dung cuc trong slippery", "dung cuc trong grippers"
"hang java java snippets" » "hang 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: (((("dung cuc trong slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cuc trong slippers") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cuc trong slippers ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cuc trong slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))*.