Perhaps you should try some spelling variations:
"khanh linh dat slippers" » "khanh vinh dat slippers", "thanh binh dat slippers", "khang sinh dat slippers", "khanh dinh dat slippers", "khanh linh dan slippers", "khanh linh hoat slippers", "khanh linh dat slippery", "khanh linh 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: (((("khanh linh 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: (((("khanh linh dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khanh linh dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khanh linh dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.