Perhaps you should try some spelling variations:
"hoang dan dat slippers" » "hoang dang dat slippers", "hoang van dat slippers", "hoang san dat slippers", "hoang dung dat slippers", "hoang dong dat slippers", "hoang dinh dat slippers", "hoang dan dat slippery", "hoang dan dat 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: (((("hoang dan dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang dan dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang dan dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang dan dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.