Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong quan thu snippets" » "thong quan thu snippets", "tong quan thu snippets", "thong quang thu snippets", "trong tuan thu snippets", "trong quan khu snippets", "trong xuan thu snippets"
"dung java java snippets" » "dung va java 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: "((((\"dung java java snippets\") OR (\"trong quan thu snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( trong quan thu snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("trong quan thu snippets"))) OR ("locating bug core snippets"))*.