Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong van dat slippers" » "duong van dat slippers", "dang van dat slippers", "dong von dat slippers", "dong van dao slippers", "dong van dau slippers", "dong dan dat slippers", "dong van dat slippery", "dong van dat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dong van 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 van dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong van dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong van dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.