Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"dang using java snippets" » "dang sinh java snippets", "data using java snippets", "dang ung java snippets", "dang using data snippets"
"dung van code snippets" » "duong van code snippets", "dung va code snippets", "dang van code snippets", "dung van de snippets", "dung van hoe snippets", "dung van cong snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dang using java snippets") or ("dung van code snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang using java snippets") OR ("dung van code snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( dang using java snippets ) or ( dung van code snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dang using java snippets") or ("dung van code snippets"))) or ("locating bugs code slippers"))*.