Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung using raw snippets" » "dung ung raw snippets", "dung sinh raw snippets", "dung uong raw snippets", "dung using real snippets", "dung using a snippets", "dung using low snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

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