Perhaps you should try some spelling variations:
"vat trong tan snippets" » "viet trong tan snippets", "cay trong tan snippets", "dot trong tan snippets", "vat trong san snippets", "vat trong quan snippets", "vat trong cac snippets", "vat 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: "((((\"vat trong tan snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( vat trong tan snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vat trong tan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.