Perhaps you should try some spelling variations:
"tran thanh li snippets" » "ban thanh li snippets", "van thanh li snippets", "quan thanh li snippets", "tran thanh loi snippets", "tran thanh le snippets", "tran nhanh li snippets", "tran thanh li 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 thanh li snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( tran thanh li snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran thanh li snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.