Perhaps you should try some spelling variations:
"da trong tan snippets" » "da trong san snippets", "da trong quan snippets", "da trong cac snippets", "dat trong tan snippets", "dao trong tan snippets", "dai trong tan snippets", "da trong tan slippers"
"dung java java snippets" » "dung va java snippets", "dung java java 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"da trong tan snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( da trong tan snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("da trong tan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.