Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hanh li snippets" » "tran thanh li snippets", "tran manh li snippets", "tran anh li snippets", "tran nhanh li snippets", "tran hanh vi snippets", "tran han li 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: "((((\"tran hanh li snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( tran hanh li snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran hanh li snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))*.