Perhaps you should try some spelling variations:
"tran tuan tri snippets" » "tran xuan tri snippets", "tran quang tri snippets", "tran thanh tri snippets", "tran quan tri snippets", "tran tran tri snippets", "tran tuan tai snippets", "tran tuan tri 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: "((((\"tran tuan tri snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( tran tuan tri snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran tuan tri snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.