Perhaps you should try some spelling variations:
"tranh toan duc snippets" » "thanh toan duc snippets", "trinh toan duc snippets", "tinh toan duc snippets", "tranh tran duc snippets", "tranh toan du snippets", "tranh ton duc snippets", "tranh toan duc 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: "((((\"dung java java snippets\") OR (\"tranh toan duc snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( tranh toan duc snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("tranh toan duc snippets"))) OR ("locating bug code snippets"))*.