Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"viet trinh java snippets" » "viet trung java snippets", "viet thanh java snippets", "viet trong java snippets", "viet trinh java slippers"
"using _ java snippets" » "using _ java slippers"

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: "((((\"using _ java snippets\") OR (\"viet trinh java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using _ java snippets ) OR ( viet trinh java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using _ java snippets") OR ("viet trinh java snippets"))) OR ("locating bugs code snippets"))*.