Perhaps you should try some spelling variations:
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets", "dung using java slippers"
"trong mot them snippets" » "trong moi them snippets", "trong trot them snippets", "trong hoat them snippets", "trong cot thep snippets", "trong mot he snippets", "trong mot thoi snippets", "trong mot them slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dung using java snippets") or ("trong mot them snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("trong mot them snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( trong mot them snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung using java snippets") or ("trong mot them snippets"))) or ("locating bug code snippets"))*.