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