Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"do luong cac snippets" » "do luong code snippets", "do luong cuoc snippets", "do luong va snippets", "do luong tai snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va 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 sat java snippets\") OR (\"do luong cac snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( using sat java snippets ) OR ( do luong cac snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using sat java snippets") OR ("do luong cac snippets"))) OR ("locating bug core snippets"))*.