Perhaps you should try some spelling variations:
"tran vinh thai snippets" » "tran dinh thai snippets", "tran minh thai snippets", "tran van thai snippets", "tran sinh thai snippets", "tran tinh thai snippets", "tran hinh thai snippets", "tran vinh thai 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 vinh thai snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( tran vinh thai snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran vinh thai snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.