Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dan luong cac snippets" » "dai luong cac snippets", "van luong cac snippets", "nang luong cac snippets", "dan luong cuoc snippets", "dan luong va snippets", "dan luong tai snippets"
"using a java snippets" » "using _ 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: "((((\"using a java snippets\") OR (\"dan luong cac snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using a java snippets ) OR ( dan luong cac snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") OR ("dan luong cac snippets"))) OR ("locating bugs code snippets"))*.