Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"van cau danh slippers" » "van cao danh slippers", "van chuc danh slippers", "van nam danh slippers", "van dau danh slippers", "van hau danh slippers", "van chat danh slippers", "van cau danh slippery", "van cau danh 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: (((("van cau danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van cau danh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van cau danh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cau danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.