Perhaps you should try some spelling variations:
"dong dinh dat slippers" » "dong kinh dat slippers", "dang dinh dat slippers", "dong ninh dat slippers", "dong dinh ket slippers", "dong dinh van slippers", "dong dinh lam slippers", "dong dinh dat slippery", "dong dinh 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: (((("dong dinh 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: (((("dong dinh dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dinh dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dinh dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.